Home / 3,873.62-5,346.45-2,547.45

Finding the Fourth Proportional to 3,873.62, 5,346.45 and 2,547.45

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Solution

The fourth proportional to 3,873.62, 5,346.45 and 2,547.45 is: 3,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.62 : 5,346.45 = 2,547.45 : x
  2. Step 2: Convert to fraction form
    3,873.62/5,346.45 = 2,547.45/x
  3. Step 3: Cross multiply
    3,873.62x = 5,346.45 × 2,547.45
  4. Step 4: Simplify right side
    3,873.62x = 13,619,814.05
  5. Step 5: Solve for x
    x = 13,619,814.05/3,873.62
  6. Step 6: Final answer
    x = 3,516.04

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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.