Home / 2,427.52-3,642.06-1,129.84

Finding the Fourth Proportional to 2,427.52, 3,642.06 and 1,129.84

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Solution

The fourth proportional to 2,427.52, 3,642.06 and 1,129.84 is: 1,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.52 : 3,642.06 = 1,129.84 : x
  2. Step 2: Convert to fraction form
    2,427.52/3,642.06 = 1,129.84/x
  3. Step 3: Cross multiply
    2,427.52x = 3,642.06 × 1,129.84
  4. Step 4: Simplify right side
    2,427.52x = 4,114,945.07
  5. Step 5: Solve for x
    x = 4,114,945.07/2,427.52
  6. Step 6: Final answer
    x = 1,695.12

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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.