Home / 2,791.59-4,187.67-1,060.21

Finding the Fourth Proportional to 2,791.59, 4,187.67 and 1,060.21

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Solution

The fourth proportional to 2,791.59, 4,187.67 and 1,060.21 is: 1,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.59 : 4,187.67 = 1,060.21 : x
  2. Step 2: Convert to fraction form
    2,791.59/4,187.67 = 1,060.21/x
  3. Step 3: Cross multiply
    2,791.59x = 4,187.67 × 1,060.21
  4. Step 4: Simplify right side
    2,791.59x = 4,439,809.61
  5. Step 5: Solve for x
    x = 4,439,809.61/2,791.59
  6. Step 6: Final answer
    x = 1,590.42

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1.5x scale

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.