Home / 3,808.16-5,259.68-2,547.12

Finding the Fourth Proportional to 3,808.16, 5,259.68 and 2,547.12

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Solution

The fourth proportional to 3,808.16, 5,259.68 and 2,547.12 is: 3,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.16 : 5,259.68 = 2,547.12 : x
  2. Step 2: Convert to fraction form
    3,808.16/5,259.68 = 2,547.12/x
  3. Step 3: Cross multiply
    3,808.16x = 5,259.68 × 2,547.12
  4. Step 4: Simplify right side
    3,808.16x = 13,397,036.12
  5. Step 5: Solve for x
    x = 13,397,036.12/3,808.16
  6. Step 6: Final answer
    x = 3,517.98

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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.