Home / 3,844.45-5,307.42-2,899.18

Finding the Fourth Proportional to 3,844.45, 5,307.42 and 2,899.18

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Solution

The fourth proportional to 3,844.45, 5,307.42 and 2,899.18 is: 4,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.45 : 5,307.42 = 2,899.18 : x
  2. Step 2: Convert to fraction form
    3,844.45/5,307.42 = 2,899.18/x
  3. Step 3: Cross multiply
    3,844.45x = 5,307.42 × 2,899.18
  4. Step 4: Simplify right side
    3,844.45x = 15,387,165.92
  5. Step 5: Solve for x
    x = 15,387,165.92/3,844.45
  6. Step 6: Final answer
    x = 4,002.44

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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.