Home / 1,712.53-2,363.29-926.58

Finding the Fourth Proportional to 1,712.53, 2,363.29 and 926.58

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Solution

The fourth proportional to 1,712.53, 2,363.29 and 926.58 is: 1,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.53 : 2,363.29 = 926.58 : x
  2. Step 2: Convert to fraction form
    1,712.53/2,363.29 = 926.58/x
  3. Step 3: Cross multiply
    1,712.53x = 2,363.29 × 926.58
  4. Step 4: Simplify right side
    1,712.53x = 2,189,777.25
  5. Step 5: Solve for x
    x = 2,189,777.25/1,712.53
  6. Step 6: Final answer
    x = 1,278.68

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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.