Home / 2,342.40-3,231.88-1,347.96

Finding the Fourth Proportional to 2,342.40, 3,231.88 and 1,347.96

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Solution

The fourth proportional to 2,342.40, 3,231.88 and 1,347.96 is: 1,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.40 : 3,231.88 = 1,347.96 : x
  2. Step 2: Convert to fraction form
    2,342.40/3,231.88 = 1,347.96/x
  3. Step 3: Cross multiply
    2,342.40x = 3,231.88 × 1,347.96
  4. Step 4: Simplify right side
    2,342.40x = 4,356,444.96
  5. Step 5: Solve for x
    x = 4,356,444.96/2,342.40
  6. Step 6: Final answer
    x = 1,859.82

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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.