Home / 2,331.48-3,215.36-1,657.96

Finding the Fourth Proportional to 2,331.48, 3,215.36 and 1,657.96

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Solution

The fourth proportional to 2,331.48, 3,215.36 and 1,657.96 is: 2,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.48 : 3,215.36 = 1,657.96 : x
  2. Step 2: Convert to fraction form
    2,331.48/3,215.36 = 1,657.96/x
  3. Step 3: Cross multiply
    2,331.48x = 3,215.36 × 1,657.96
  4. Step 4: Simplify right side
    2,331.48x = 5,330,938.27
  5. Step 5: Solve for x
    x = 5,330,938.27/2,331.48
  6. Step 6: Final answer
    x = 2,286.50

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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.