Home / 1,432.48-2,145.48-1,144.12

Finding the Fourth Proportional to 1,432.48, 2,145.48 and 1,144.12

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Solution

The fourth proportional to 1,432.48, 2,145.48 and 1,144.12 is: 1,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.48 : 2,145.48 = 1,144.12 : x
  2. Step 2: Convert to fraction form
    1,432.48/2,145.48 = 1,144.12/x
  3. Step 3: Cross multiply
    1,432.48x = 2,145.48 × 1,144.12
  4. Step 4: Simplify right side
    1,432.48x = 2,454,686.58
  5. Step 5: Solve for x
    x = 2,454,686.58/1,432.48
  6. Step 6: Final answer
    x = 1,713.59

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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.