Home / 2,218.48-3,060.68-1,432.24

Finding the Fourth Proportional to 2,218.48, 3,060.68 and 1,432.24

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Solution

The fourth proportional to 2,218.48, 3,060.68 and 1,432.24 is: 1,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.48 : 3,060.68 = 1,432.24 : x
  2. Step 2: Convert to fraction form
    2,218.48/3,060.68 = 1,432.24/x
  3. Step 3: Cross multiply
    2,218.48x = 3,060.68 × 1,432.24
  4. Step 4: Simplify right side
    2,218.48x = 4,383,628.32
  5. Step 5: Solve for x
    x = 4,383,628.32/2,218.48
  6. Step 6: Final answer
    x = 1,975.96

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Half scale
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1.5x scale

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.