Home / 1,712.58-2,363.35-926.62

Finding the Fourth Proportional to 1,712.58, 2,363.35 and 926.62

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Solution

The fourth proportional to 1,712.58, 2,363.35 and 926.62 is: 1,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.58 : 2,363.35 = 926.62 : x
  2. Step 2: Convert to fraction form
    1,712.58/2,363.35 = 926.62/x
  3. Step 3: Cross multiply
    1,712.58x = 2,363.35 × 926.62
  4. Step 4: Simplify right side
    1,712.58x = 2,189,922.74
  5. Step 5: Solve for x
    x = 2,189,922.74/1,712.58
  6. Step 6: Final answer
    x = 1,278.73

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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.