Home / 1,650.13-2,475.90-725.23

Finding the Fourth Proportional to 1,650.13, 2,475.90 and 725.23

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Solution

The fourth proportional to 1,650.13, 2,475.90 and 725.23 is: 1,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.13 : 2,475.90 = 725.23 : x
  2. Step 2: Convert to fraction form
    1,650.13/2,475.90 = 725.23/x
  3. Step 3: Cross multiply
    1,650.13x = 2,475.90 × 725.23
  4. Step 4: Simplify right side
    1,650.13x = 1,795,596.96
  5. Step 5: Solve for x
    x = 1,795,596.96/1,650.13
  6. Step 6: Final answer
    x = 1,088.15

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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.