Home / 3,633.40-5,445.68-2,587.76

Finding the Fourth Proportional to 3,633.40, 5,445.68 and 2,587.76

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Solution

The fourth proportional to 3,633.40, 5,445.68 and 2,587.76 is: 3,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.40 : 5,445.68 = 2,587.76 : x
  2. Step 2: Convert to fraction form
    3,633.40/5,445.68 = 2,587.76/x
  3. Step 3: Cross multiply
    3,633.40x = 5,445.68 × 2,587.76
  4. Step 4: Simplify right side
    3,633.40x = 14,092,112.88
  5. Step 5: Solve for x
    x = 14,092,112.88/3,633.40
  6. Step 6: Final answer
    x = 3,878.49

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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.