Home / 3,547.68-5,319.60-1,356.96

Finding the Fourth Proportional to 3,547.68, 5,319.60 and 1,356.96

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Solution

The fourth proportional to 3,547.68, 5,319.60 and 1,356.96 is: 2,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.68 : 5,319.60 = 1,356.96 : x
  2. Step 2: Convert to fraction form
    3,547.68/5,319.60 = 1,356.96/x
  3. Step 3: Cross multiply
    3,547.68x = 5,319.60 × 1,356.96
  4. Step 4: Simplify right side
    3,547.68x = 7,218,484.42
  5. Step 5: Solve for x
    x = 7,218,484.42/3,547.68
  6. Step 6: Final answer
    x = 2,034.71

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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.