Home / 3,134.80-4,325.88-1,737.64

Finding the Fourth Proportional to 3,134.80, 4,325.88 and 1,737.64

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Solution

The fourth proportional to 3,134.80, 4,325.88 and 1,737.64 is: 2,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.80 : 4,325.88 = 1,737.64 : x
  2. Step 2: Convert to fraction form
    3,134.80/4,325.88 = 1,737.64/x
  3. Step 3: Cross multiply
    3,134.80x = 4,325.88 × 1,737.64
  4. Step 4: Simplify right side
    3,134.80x = 7,516,822.12
  5. Step 5: Solve for x
    x = 7,516,822.12/3,134.80
  6. Step 6: Final answer
    x = 2,397.86

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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.