Home / 3,145.37-4,340.77-1,801.04

Finding the Fourth Proportional to 3,145.37, 4,340.77 and 1,801.04

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Solution

The fourth proportional to 3,145.37, 4,340.77 and 1,801.04 is: 2,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.37 : 4,340.77 = 1,801.04 : x
  2. Step 2: Convert to fraction form
    3,145.37/4,340.77 = 1,801.04/x
  3. Step 3: Cross multiply
    3,145.37x = 4,340.77 × 1,801.04
  4. Step 4: Simplify right side
    3,145.37x = 7,817,874.19
  5. Step 5: Solve for x
    x = 7,817,874.19/3,145.37
  6. Step 6: Final answer
    x = 2,485.52

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,146.37, 4,342.15 and 1,802.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.