Home / 4,037.12-5,569.80-2,640.68

Finding the Fourth Proportional to 4,037.12, 5,569.80 and 2,640.68

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Solution

The fourth proportional to 4,037.12, 5,569.80 and 2,640.68 is: 3,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,037.12 : 5,569.80 = 2,640.68 : x
  2. Step 2: Convert to fraction form
    4,037.12/5,569.80 = 2,640.68/x
  3. Step 3: Cross multiply
    4,037.12x = 5,569.80 × 2,640.68
  4. Step 4: Simplify right side
    4,037.12x = 14,708,059.46
  5. Step 5: Solve for x
    x = 14,708,059.46/4,037.12
  6. Step 6: Final answer
    x = 3,643.21

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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.