Home / 1,589.35-2,193.36-926.09

Finding the Fourth Proportional to 1,589.35, 2,193.36 and 926.09

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Solution

The fourth proportional to 1,589.35, 2,193.36 and 926.09 is: 1,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.35 : 2,193.36 = 926.09 : x
  2. Step 2: Convert to fraction form
    1,589.35/2,193.36 = 926.09/x
  3. Step 3: Cross multiply
    1,589.35x = 2,193.36 × 926.09
  4. Step 4: Simplify right side
    1,589.35x = 2,031,248.76
  5. Step 5: Solve for x
    x = 2,031,248.76/1,589.35
  6. Step 6: Final answer
    x = 1,278.04

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Half scale
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Double scale
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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.