Home / 1,847.52-2,549.67-1,129.98

Finding the Fourth Proportional to 1,847.52, 2,549.67 and 1,129.98

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Solution

The fourth proportional to 1,847.52, 2,549.67 and 1,129.98 is: 1,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.52 : 2,549.67 = 1,129.98 : x
  2. Step 2: Convert to fraction form
    1,847.52/2,549.67 = 1,129.98/x
  3. Step 3: Cross multiply
    1,847.52x = 2,549.67 × 1,129.98
  4. Step 4: Simplify right side
    1,847.52x = 2,881,076.11
  5. Step 5: Solve for x
    x = 2,881,076.11/1,847.52
  6. Step 6: Final answer
    x = 1,559.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.