Home / 2,625.52-3,938.40-1,164.70

Finding the Fourth Proportional to 2,625.52, 3,938.40 and 1,164.70

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Solution

The fourth proportional to 2,625.52, 3,938.40 and 1,164.70 is: 1,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.52 : 3,938.40 = 1,164.70 : x
  2. Step 2: Convert to fraction form
    2,625.52/3,938.40 = 1,164.70/x
  3. Step 3: Cross multiply
    2,625.52x = 3,938.40 × 1,164.70
  4. Step 4: Simplify right side
    2,625.52x = 4,587,054.48
  5. Step 5: Solve for x
    x = 4,587,054.48/2,625.52
  6. Step 6: Final answer
    x = 1,747.10

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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.