Home / 3,419.78-5,126.01-2,442.92

Finding the Fourth Proportional to 3,419.78, 5,126.01 and 2,442.92

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Solution

The fourth proportional to 3,419.78, 5,126.01 and 2,442.92 is: 3,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.78 : 5,126.01 = 2,442.92 : x
  2. Step 2: Convert to fraction form
    3,419.78/5,126.01 = 2,442.92/x
  3. Step 3: Cross multiply
    3,419.78x = 5,126.01 × 2,442.92
  4. Step 4: Simplify right side
    3,419.78x = 12,522,432.35
  5. Step 5: Solve for x
    x = 12,522,432.35/3,419.78
  6. Step 6: Final answer
    x = 3,661.77

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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.