Home / 2,932.62-4,047.40-1,887.72

Finding the Fourth Proportional to 2,932.62, 4,047.40 and 1,887.72

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Solution

The fourth proportional to 2,932.62, 4,047.40 and 1,887.72 is: 2,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.62 : 4,047.40 = 1,887.72 : x
  2. Step 2: Convert to fraction form
    2,932.62/4,047.40 = 1,887.72/x
  3. Step 3: Cross multiply
    2,932.62x = 4,047.40 × 1,887.72
  4. Step 4: Simplify right side
    2,932.62x = 7,640,357.93
  5. Step 5: Solve for x
    x = 7,640,357.93/2,932.62
  6. Step 6: Final answer
    x = 2,605.30

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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.