Home / 2,488.32-3,430.21-1,591.97

Finding the Fourth Proportional to 2,488.32, 3,430.21 and 1,591.97

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Solution

The fourth proportional to 2,488.32, 3,430.21 and 1,591.97 is: 2,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.32 : 3,430.21 = 1,591.97 : x
  2. Step 2: Convert to fraction form
    2,488.32/3,430.21 = 1,591.97/x
  3. Step 3: Cross multiply
    2,488.32x = 3,430.21 × 1,591.97
  4. Step 4: Simplify right side
    2,488.32x = 5,460,781.98
  5. Step 5: Solve for x
    x = 5,460,781.98/2,488.32
  6. Step 6: Final answer
    x = 2,194.56

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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.