Home / 2,741.52-4,112.33-986.62

Finding the Fourth Proportional to 2,741.52, 4,112.33 and 986.62

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Solution

The fourth proportional to 2,741.52, 4,112.33 and 986.62 is: 1,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.52 : 4,112.33 = 986.62 : x
  2. Step 2: Convert to fraction form
    2,741.52/4,112.33 = 986.62/x
  3. Step 3: Cross multiply
    2,741.52x = 4,112.33 × 986.62
  4. Step 4: Simplify right side
    2,741.52x = 4,057,307.02
  5. Step 5: Solve for x
    x = 4,057,307.02/2,741.52
  6. Step 6: Final answer
    x = 1,479.95

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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.