Home / 3,425.46-4,727.12-1,853.52

Finding the Fourth Proportional to 3,425.46, 4,727.12 and 1,853.52

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Solution

The fourth proportional to 3,425.46, 4,727.12 and 1,853.52 is: 2,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.46 : 4,727.12 = 1,853.52 : x
  2. Step 2: Convert to fraction form
    3,425.46/4,727.12 = 1,853.52/x
  3. Step 3: Cross multiply
    3,425.46x = 4,727.12 × 1,853.52
  4. Step 4: Simplify right side
    3,425.46x = 8,761,802.19
  5. Step 5: Solve for x
    x = 8,761,802.19/3,425.46
  6. Step 6: Final answer
    x = 2,557.85

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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.