Home / 3,598.78-5,385.33-2,612.74

Finding the Fourth Proportional to 3,598.78, 5,385.33 and 2,612.74

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Solution

The fourth proportional to 3,598.78, 5,385.33 and 2,612.74 is: 3,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.78 : 5,385.33 = 2,612.74 : x
  2. Step 2: Convert to fraction form
    3,598.78/5,385.33 = 2,612.74/x
  3. Step 3: Cross multiply
    3,598.78x = 5,385.33 × 2,612.74
  4. Step 4: Simplify right side
    3,598.78x = 14,070,467.10
  5. Step 5: Solve for x
    x = 14,070,467.10/3,598.78
  6. Step 6: Final answer
    x = 3,909.79

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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.