Home / 1,376.52-2,060.28-1,148.94

Finding the Fourth Proportional to 1,376.52, 2,060.28 and 1,148.94

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Solution

The fourth proportional to 1,376.52, 2,060.28 and 1,148.94 is: 1,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.52 : 2,060.28 = 1,148.94 : x
  2. Step 2: Convert to fraction form
    1,376.52/2,060.28 = 1,148.94/x
  3. Step 3: Cross multiply
    1,376.52x = 2,060.28 × 1,148.94
  4. Step 4: Simplify right side
    1,376.52x = 2,367,138.10
  5. Step 5: Solve for x
    x = 2,367,138.10/1,376.52
  6. Step 6: Final answer
    x = 1,719.65

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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.