Home / 2,625.14-3,937.73-981.83

Finding the Fourth Proportional to 2,625.14, 3,937.73 and 981.83

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Solution

The fourth proportional to 2,625.14, 3,937.73 and 981.83 is: 1,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.14 : 3,937.73 = 981.83 : x
  2. Step 2: Convert to fraction form
    2,625.14/3,937.73 = 981.83/x
  3. Step 3: Cross multiply
    2,625.14x = 3,937.73 × 981.83
  4. Step 4: Simplify right side
    2,625.14x = 3,866,186.38
  5. Step 5: Solve for x
    x = 3,866,186.38/2,625.14
  6. Step 6: Final answer
    x = 1,472.75

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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.