Home / 4,254.78-6,384.60-1,657.38

Finding the Fourth Proportional to 4,254.78, 6,384.60 and 1,657.38

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Solution

The fourth proportional to 4,254.78, 6,384.60 and 1,657.38 is: 2,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.78 : 6,384.60 = 1,657.38 : x
  2. Step 2: Convert to fraction form
    4,254.78/6,384.60 = 1,657.38/x
  3. Step 3: Cross multiply
    4,254.78x = 6,384.60 × 1,657.38
  4. Step 4: Simplify right side
    4,254.78x = 10,581,708.35
  5. Step 5: Solve for x
    x = 10,581,708.35/4,254.78
  6. Step 6: Final answer
    x = 2,487.02

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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.