Home / 3,397.12-5,091.96-1,547.76

Finding the Fourth Proportional to 3,397.12, 5,091.96 and 1,547.76

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Solution

The fourth proportional to 3,397.12, 5,091.96 and 1,547.76 is: 2,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.12 : 5,091.96 = 1,547.76 : x
  2. Step 2: Convert to fraction form
    3,397.12/5,091.96 = 1,547.76/x
  3. Step 3: Cross multiply
    3,397.12x = 5,091.96 × 1,547.76
  4. Step 4: Simplify right side
    3,397.12x = 7,881,132.01
  5. Step 5: Solve for x
    x = 7,881,132.01/3,397.12
  6. Step 6: Final answer
    x = 2,319.95

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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.