Home / 3,340.37-4,611.80-2,145.83

Finding the Fourth Proportional to 3,340.37, 4,611.80 and 2,145.83

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Solution

The fourth proportional to 3,340.37, 4,611.80 and 2,145.83 is: 2,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.37 : 4,611.80 = 2,145.83 : x
  2. Step 2: Convert to fraction form
    3,340.37/4,611.80 = 2,145.83/x
  3. Step 3: Cross multiply
    3,340.37x = 4,611.80 × 2,145.83
  4. Step 4: Simplify right side
    3,340.37x = 9,896,139.59
  5. Step 5: Solve for x
    x = 9,896,139.59/3,340.37
  6. Step 6: Final answer
    x = 2,962.59

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Double scale
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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.