Home / 3,383.40-5,071.86-1,432.92

Finding the Fourth Proportional to 3,383.40, 5,071.86 and 1,432.92

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Solution

The fourth proportional to 3,383.40, 5,071.86 and 1,432.92 is: 2,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.40 : 5,071.86 = 1,432.92 : x
  2. Step 2: Convert to fraction form
    3,383.40/5,071.86 = 1,432.92/x
  3. Step 3: Cross multiply
    3,383.40x = 5,071.86 × 1,432.92
  4. Step 4: Simplify right side
    3,383.40x = 7,267,569.63
  5. Step 5: Solve for x
    x = 7,267,569.63/3,383.40
  6. Step 6: Final answer
    x = 2,148.01

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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.