Home / 3,873.29-5,344.07-2,547.43

Finding the Fourth Proportional to 3,873.29, 5,344.07 and 2,547.43

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Solution

The fourth proportional to 3,873.29, 5,344.07 and 2,547.43 is: 3,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.29 : 5,344.07 = 2,547.43 : x
  2. Step 2: Convert to fraction form
    3,873.29/5,344.07 = 2,547.43/x
  3. Step 3: Cross multiply
    3,873.29x = 5,344.07 × 2,547.43
  4. Step 4: Simplify right side
    3,873.29x = 13,613,618.14
  5. Step 5: Solve for x
    x = 13,613,618.14/3,873.29
  6. Step 6: Final answer
    x = 3,514.75

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1.5x scale

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.