Home / 3,607.92-5,419.08-3,087.72

Finding the Fourth Proportional to 3,607.92, 5,419.08 and 3,087.72

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Solution

The fourth proportional to 3,607.92, 5,419.08 and 3,087.72 is: 4,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.92 : 5,419.08 = 3,087.72 : x
  2. Step 2: Convert to fraction form
    3,607.92/5,419.08 = 3,087.72/x
  3. Step 3: Cross multiply
    3,607.92x = 5,419.08 × 3,087.72
  4. Step 4: Simplify right side
    3,607.92x = 16,732,601.70
  5. Step 5: Solve for x
    x = 16,732,601.70/3,607.92
  6. Step 6: Final answer
    x = 4,637.74

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1.5x scale

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.