Home / 1,724.34-2,378.85-1,060.95

Finding the Fourth Proportional to 1,724.34, 2,378.85 and 1,060.95

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Solution

The fourth proportional to 1,724.34, 2,378.85 and 1,060.95 is: 1,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.34 : 2,378.85 = 1,060.95 : x
  2. Step 2: Convert to fraction form
    1,724.34/2,378.85 = 1,060.95/x
  3. Step 3: Cross multiply
    1,724.34x = 2,378.85 × 1,060.95
  4. Step 4: Simplify right side
    1,724.34x = 2,523,840.91
  5. Step 5: Solve for x
    x = 2,523,840.91/1,724.34
  6. Step 6: Final answer
    x = 1,463.66

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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.