Home / 3,837.90-5,294.31-2,512.14

Finding the Fourth Proportional to 3,837.90, 5,294.31 and 2,512.14

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Solution

The fourth proportional to 3,837.90, 5,294.31 and 2,512.14 is: 3,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.90 : 5,294.31 = 2,512.14 : x
  2. Step 2: Convert to fraction form
    3,837.90/5,294.31 = 2,512.14/x
  3. Step 3: Cross multiply
    3,837.90x = 5,294.31 × 2,512.14
  4. Step 4: Simplify right side
    3,837.90x = 13,300,047.92
  5. Step 5: Solve for x
    x = 13,300,047.92/3,837.90
  6. Step 6: Final answer
    x = 3,465.45

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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.