Home / 3,864.03-5,330.25-2,445.12

Finding the Fourth Proportional to 3,864.03, 5,330.25 and 2,445.12

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Solution

The fourth proportional to 3,864.03, 5,330.25 and 2,445.12 is: 3,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.03 : 5,330.25 = 2,445.12 : x
  2. Step 2: Convert to fraction form
    3,864.03/5,330.25 = 2,445.12/x
  3. Step 3: Cross multiply
    3,864.03x = 5,330.25 × 2,445.12
  4. Step 4: Simplify right side
    3,864.03x = 13,033,100.88
  5. Step 5: Solve for x
    x = 13,033,100.88/3,864.03
  6. Step 6: Final answer
    x = 3,372.93

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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.