Home / 3,715.28-5,126.86-2,036.38

Finding the Fourth Proportional to 3,715.28, 5,126.86 and 2,036.38

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Solution

The fourth proportional to 3,715.28, 5,126.86 and 2,036.38 is: 2,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.28 : 5,126.86 = 2,036.38 : x
  2. Step 2: Convert to fraction form
    3,715.28/5,126.86 = 2,036.38/x
  3. Step 3: Cross multiply
    3,715.28x = 5,126.86 × 2,036.38
  4. Step 4: Simplify right side
    3,715.28x = 10,440,235.17
  5. Step 5: Solve for x
    x = 10,440,235.17/3,715.28
  6. Step 6: Final answer
    x = 2,810.08

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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.