Home / 2,402.82-3,316.05-1,354.95

Finding the Fourth Proportional to 2,402.82, 3,316.05 and 1,354.95

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Solution

The fourth proportional to 2,402.82, 3,316.05 and 1,354.95 is: 1,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.82 : 3,316.05 = 1,354.95 : x
  2. Step 2: Convert to fraction form
    2,402.82/3,316.05 = 1,354.95/x
  3. Step 3: Cross multiply
    2,402.82x = 3,316.05 × 1,354.95
  4. Step 4: Simplify right side
    2,402.82x = 4,493,081.95
  5. Step 5: Solve for x
    x = 4,493,081.95/2,402.82
  6. Step 6: Final answer
    x = 1,869.92

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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.