Home / 2,341.12-3,229.64-1,545.28

Finding the Fourth Proportional to 2,341.12, 3,229.64 and 1,545.28

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Solution

The fourth proportional to 2,341.12, 3,229.64 and 1,545.28 is: 2,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.12 : 3,229.64 = 1,545.28 : x
  2. Step 2: Convert to fraction form
    2,341.12/3,229.64 = 1,545.28/x
  3. Step 3: Cross multiply
    2,341.12x = 3,229.64 × 1,545.28
  4. Step 4: Simplify right side
    2,341.12x = 4,990,698.10
  5. Step 5: Solve for x
    x = 4,990,698.10/2,341.12
  6. Step 6: Final answer
    x = 2,131.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.