Home / 3,125.17-4,684.50-1,479.76

Finding the Fourth Proportional to 3,125.17, 4,684.50 and 1,479.76

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Solution

The fourth proportional to 3,125.17, 4,684.50 and 1,479.76 is: 2,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.17 : 4,684.50 = 1,479.76 : x
  2. Step 2: Convert to fraction form
    3,125.17/4,684.50 = 1,479.76/x
  3. Step 3: Cross multiply
    3,125.17x = 4,684.50 × 1,479.76
  4. Step 4: Simplify right side
    3,125.17x = 6,931,935.72
  5. Step 5: Solve for x
    x = 6,931,935.72/3,125.17
  6. Step 6: Final answer
    x = 2,218.10

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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.