Home / 3,715.92-5,128.02-2,037.36

Finding the Fourth Proportional to 3,715.92, 5,128.02 and 2,037.36

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Solution

The fourth proportional to 3,715.92, 5,128.02 and 2,037.36 is: 2,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.92 : 5,128.02 = 2,037.36 : x
  2. Step 2: Convert to fraction form
    3,715.92/5,128.02 = 2,037.36/x
  3. Step 3: Cross multiply
    3,715.92x = 5,128.02 × 2,037.36
  4. Step 4: Simplify right side
    3,715.92x = 10,447,622.83
  5. Step 5: Solve for x
    x = 10,447,622.83/3,715.92
  6. Step 6: Final answer
    x = 2,811.58

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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.