Home / 3,254.30-4,882.48-1,937.78

Finding the Fourth Proportional to 3,254.30, 4,882.48 and 1,937.78

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Solution

The fourth proportional to 3,254.30, 4,882.48 and 1,937.78 is: 2,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.30 : 4,882.48 = 1,937.78 : x
  2. Step 2: Convert to fraction form
    3,254.30/4,882.48 = 1,937.78/x
  3. Step 3: Cross multiply
    3,254.30x = 4,882.48 × 1,937.78
  4. Step 4: Simplify right side
    3,254.30x = 9,461,172.09
  5. Step 5: Solve for x
    x = 9,461,172.09/3,254.30
  6. Step 6: Final answer
    x = 2,907.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.