Home / 2,620.48-3,931.15-1,060.58

Finding the Fourth Proportional to 2,620.48, 3,931.15 and 1,060.58

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Solution

The fourth proportional to 2,620.48, 3,931.15 and 1,060.58 is: 1,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.48 : 3,931.15 = 1,060.58 : x
  2. Step 2: Convert to fraction form
    2,620.48/3,931.15 = 1,060.58/x
  3. Step 3: Cross multiply
    2,620.48x = 3,931.15 × 1,060.58
  4. Step 4: Simplify right side
    2,620.48x = 4,169,306.24
  5. Step 5: Solve for x
    x = 4,169,306.24/2,620.48
  6. Step 6: Final answer
    x = 1,591.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.