Home / 2,080.08-2,870.48-1,135.84

Finding the Fourth Proportional to 2,080.08, 2,870.48 and 1,135.84

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Solution

The fourth proportional to 2,080.08, 2,870.48 and 1,135.84 is: 1,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.08 : 2,870.48 = 1,135.84 : x
  2. Step 2: Convert to fraction form
    2,080.08/2,870.48 = 1,135.84/x
  3. Step 3: Cross multiply
    2,080.08x = 2,870.48 × 1,135.84
  4. Step 4: Simplify right side
    2,080.08x = 3,260,406.00
  5. Step 5: Solve for x
    x = 3,260,406.00/2,080.08
  6. Step 6: Final answer
    x = 1,567.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,081.08, 2,871.86 and 1,136.84
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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.