Home / 1,747.68-2,631.92-1,576.32

Finding the Fourth Proportional to 1,747.68, 2,631.92 and 1,576.32

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Solution

The fourth proportional to 1,747.68, 2,631.92 and 1,576.32 is: 2,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.68 : 2,631.92 = 1,576.32 : x
  2. Step 2: Convert to fraction form
    1,747.68/2,631.92 = 1,576.32/x
  3. Step 3: Cross multiply
    1,747.68x = 2,631.92 × 1,576.32
  4. Step 4: Simplify right side
    1,747.68x = 4,148,748.13
  5. Step 5: Solve for x
    x = 4,148,748.13/1,747.68
  6. Step 6: Final answer
    x = 2,373.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.