Home / 1,589.84-2,193.91-926.69

Finding the Fourth Proportional to 1,589.84, 2,193.91 and 926.69

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Solution

The fourth proportional to 1,589.84, 2,193.91 and 926.69 is: 1,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.84 : 2,193.91 = 926.69 : x
  2. Step 2: Convert to fraction form
    1,589.84/2,193.91 = 926.69/x
  3. Step 3: Cross multiply
    1,589.84x = 2,193.91 × 926.69
  4. Step 4: Simplify right side
    1,589.84x = 2,033,074.46
  5. Step 5: Solve for x
    x = 2,033,074.46/1,589.84
  6. Step 6: Final answer
    x = 1,278.79

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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.