Home / 3,374.20-5,061.30-2,445.40

Finding the Fourth Proportional to 3,374.20, 5,061.30 and 2,445.40

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Solution

The fourth proportional to 3,374.20, 5,061.30 and 2,445.40 is: 3,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.20 : 5,061.30 = 2,445.40 : x
  2. Step 2: Convert to fraction form
    3,374.20/5,061.30 = 2,445.40/x
  3. Step 3: Cross multiply
    3,374.20x = 5,061.30 × 2,445.40
  4. Step 4: Simplify right side
    3,374.20x = 12,376,903.02
  5. Step 5: Solve for x
    x = 12,376,903.02/3,374.20
  6. Step 6: Final answer
    x = 3,668.10

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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.