Home / 3,888.26-5,365.90-2,397.16

Finding the Fourth Proportional to 3,888.26, 5,365.90 and 2,397.16

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Solution

The fourth proportional to 3,888.26, 5,365.90 and 2,397.16 is: 3,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.26 : 5,365.90 = 2,397.16 : x
  2. Step 2: Convert to fraction form
    3,888.26/5,365.90 = 2,397.16/x
  3. Step 3: Cross multiply
    3,888.26x = 5,365.90 × 2,397.16
  4. Step 4: Simplify right side
    3,888.26x = 12,862,920.84
  5. Step 5: Solve for x
    x = 12,862,920.84/3,888.26
  6. Step 6: Final answer
    x = 3,308.14

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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.