Home / 2,426.52-3,639.78-1,937.28

Finding the Fourth Proportional to 2,426.52, 3,639.78 and 1,937.28

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Solution

The fourth proportional to 2,426.52, 3,639.78 and 1,937.28 is: 2,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.52 : 3,639.78 = 1,937.28 : x
  2. Step 2: Convert to fraction form
    2,426.52/3,639.78 = 1,937.28/x
  3. Step 3: Cross multiply
    2,426.52x = 3,639.78 × 1,937.28
  4. Step 4: Simplify right side
    2,426.52x = 7,051,273.00
  5. Step 5: Solve for x
    x = 7,051,273.00/2,426.52
  6. Step 6: Final answer
    x = 2,905.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.