Home / 1,724.48-2,378.79-1,060.86

Finding the Fourth Proportional to 1,724.48, 2,378.79 and 1,060.86

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Solution

The fourth proportional to 1,724.48, 2,378.79 and 1,060.86 is: 1,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.48 : 2,378.79 = 1,060.86 : x
  2. Step 2: Convert to fraction form
    1,724.48/2,378.79 = 1,060.86/x
  3. Step 3: Cross multiply
    1,724.48x = 2,378.79 × 1,060.86
  4. Step 4: Simplify right side
    1,724.48x = 2,523,563.16
  5. Step 5: Solve for x
    x = 2,523,563.16/1,724.48
  6. Step 6: Final answer
    x = 1,463.38

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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.