Home / 3,898.10-5,847.15-2,440.10

Finding the Fourth Proportional to 3,898.10, 5,847.15 and 2,440.10

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Solution

The fourth proportional to 3,898.10, 5,847.15 and 2,440.10 is: 3,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.10 : 5,847.15 = 2,440.10 : x
  2. Step 2: Convert to fraction form
    3,898.10/5,847.15 = 2,440.10/x
  3. Step 3: Cross multiply
    3,898.10x = 5,847.15 × 2,440.10
  4. Step 4: Simplify right side
    3,898.10x = 14,267,630.72
  5. Step 5: Solve for x
    x = 14,267,630.72/3,898.10
  6. Step 6: Final answer
    x = 3,660.15

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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.