Home / 3,626.10-5,434.07-1,543.29

Finding the Fourth Proportional to 3,626.10, 5,434.07 and 1,543.29

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Solution

The fourth proportional to 3,626.10, 5,434.07 and 1,543.29 is: 2,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.10 : 5,434.07 = 1,543.29 : x
  2. Step 2: Convert to fraction form
    3,626.10/5,434.07 = 1,543.29/x
  3. Step 3: Cross multiply
    3,626.10x = 5,434.07 × 1,543.29
  4. Step 4: Simplify right side
    3,626.10x = 8,386,345.89
  5. Step 5: Solve for x
    x = 8,386,345.89/3,626.10
  6. Step 6: Final answer
    x = 2,312.77

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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.