Home / 3,514.10-5,271.15-1,432.81

Finding the Fourth Proportional to 3,514.10, 5,271.15 and 1,432.81

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Solution

The fourth proportional to 3,514.10, 5,271.15 and 1,432.81 is: 2,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.10 : 5,271.15 = 1,432.81 : x
  2. Step 2: Convert to fraction form
    3,514.10/5,271.15 = 1,432.81/x
  3. Step 3: Cross multiply
    3,514.10x = 5,271.15 × 1,432.81
  4. Step 4: Simplify right side
    3,514.10x = 7,552,530.08
  5. Step 5: Solve for x
    x = 7,552,530.08/3,514.10
  6. Step 6: Final answer
    x = 2,149.21

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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.