Home / 1,474.40-2,203.68-1,060.80

Finding the Fourth Proportional to 1,474.40, 2,203.68 and 1,060.80

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Solution

The fourth proportional to 1,474.40, 2,203.68 and 1,060.80 is: 1,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.40 : 2,203.68 = 1,060.80 : x
  2. Step 2: Convert to fraction form
    1,474.40/2,203.68 = 1,060.80/x
  3. Step 3: Cross multiply
    1,474.40x = 2,203.68 × 1,060.80
  4. Step 4: Simplify right side
    1,474.40x = 2,337,663.74
  5. Step 5: Solve for x
    x = 2,337,663.74/1,474.40
  6. Step 6: Final answer
    x = 1,585.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.