Home / 1,847.24-2,771.88-981.52

Finding the Fourth Proportional to 1,847.24, 2,771.88 and 981.52

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Solution

The fourth proportional to 1,847.24, 2,771.88 and 981.52 is: 1,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.24 : 2,771.88 = 981.52 : x
  2. Step 2: Convert to fraction form
    1,847.24/2,771.88 = 981.52/x
  3. Step 3: Cross multiply
    1,847.24x = 2,771.88 × 981.52
  4. Step 4: Simplify right side
    1,847.24x = 2,720,655.66
  5. Step 5: Solve for x
    x = 2,720,655.66/1,847.24
  6. Step 6: Final answer
    x = 1,472.82

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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.