Home / 3,248.10-4,482-1,921.86

Finding the Fourth Proportional to 3,248.10, 4,482 and 1,921.86

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Solution

The fourth proportional to 3,248.10, 4,482 and 1,921.86 is: 2,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.10 : 4,482 = 1,921.86 : x
  2. Step 2: Convert to fraction form
    3,248.10/4,482 = 1,921.86/x
  3. Step 3: Cross multiply
    3,248.10x = 4,482 × 1,921.86
  4. Step 4: Simplify right side
    3,248.10x = 8,613,776.52
  5. Step 5: Solve for x
    x = 8,613,776.52/3,248.10
  6. Step 6: Final answer
    x = 2,651.94

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Double 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.