Home / 3,429.52-4,732.72-1,937.92

Finding the Fourth Proportional to 3,429.52, 4,732.72 and 1,937.92

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Solution

The fourth proportional to 3,429.52, 4,732.72 and 1,937.92 is: 2,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.52 : 4,732.72 = 1,937.92 : x
  2. Step 2: Convert to fraction form
    3,429.52/4,732.72 = 1,937.92/x
  3. Step 3: Cross multiply
    3,429.52x = 4,732.72 × 1,937.92
  4. Step 4: Simplify right side
    3,429.52x = 9,171,632.74
  5. Step 5: Solve for x
    x = 9,171,632.74/3,429.52
  6. Step 6: Final answer
    x = 2,674.32

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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.