Home / 3,432.03-5,145.75-1,240.47

Finding the Fourth Proportional to 3,432.03, 5,145.75 and 1,240.47

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Solution

The fourth proportional to 3,432.03, 5,145.75 and 1,240.47 is: 1,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.03 : 5,145.75 = 1,240.47 : x
  2. Step 2: Convert to fraction form
    3,432.03/5,145.75 = 1,240.47/x
  3. Step 3: Cross multiply
    3,432.03x = 5,145.75 × 1,240.47
  4. Step 4: Simplify right side
    3,432.03x = 6,383,166.46
  5. Step 5: Solve for x
    x = 6,383,166.46/3,432.03
  6. Step 6: Final answer
    x = 1,859.88

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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.