Home / 2,302.73-3,178.18-1,358.47

Finding the Fourth Proportional to 2,302.73, 3,178.18 and 1,358.47

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Solution

The fourth proportional to 2,302.73, 3,178.18 and 1,358.47 is: 1,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.73 : 3,178.18 = 1,358.47 : x
  2. Step 2: Convert to fraction form
    2,302.73/3,178.18 = 1,358.47/x
  3. Step 3: Cross multiply
    2,302.73x = 3,178.18 × 1,358.47
  4. Step 4: Simplify right side
    2,302.73x = 4,317,446.29
  5. Step 5: Solve for x
    x = 4,317,446.29/2,302.73
  6. Step 6: Final answer
    x = 1,874.93

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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.