Home / 3,760.16-5,638.46-1,126.65

Finding the Fourth Proportional to 3,760.16, 5,638.46 and 1,126.65

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Solution

The fourth proportional to 3,760.16, 5,638.46 and 1,126.65 is: 1,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.16 : 5,638.46 = 1,126.65 : x
  2. Step 2: Convert to fraction form
    3,760.16/5,638.46 = 1,126.65/x
  3. Step 3: Cross multiply
    3,760.16x = 5,638.46 × 1,126.65
  4. Step 4: Simplify right side
    3,760.16x = 6,352,565.33
  5. Step 5: Solve for x
    x = 6,352,565.33/3,760.16
  6. Step 6: Final answer
    x = 1,689.44

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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.