Home / 1,759.38-2,427.92-962.69

Finding the Fourth Proportional to 1,759.38, 2,427.92 and 962.69

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Solution

The fourth proportional to 1,759.38, 2,427.92 and 962.69 is: 1,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.38 : 2,427.92 = 962.69 : x
  2. Step 2: Convert to fraction form
    1,759.38/2,427.92 = 962.69/x
  3. Step 3: Cross multiply
    1,759.38x = 2,427.92 × 962.69
  4. Step 4: Simplify right side
    1,759.38x = 2,337,320.96
  5. Step 5: Solve for x
    x = 2,337,320.96/1,759.38
  6. Step 6: Final answer
    x = 1,328.49

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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.