Home / 3,851.34-5,776.92-1,254.12

Finding the Fourth Proportional to 3,851.34, 5,776.92 and 1,254.12

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Solution

The fourth proportional to 3,851.34, 5,776.92 and 1,254.12 is: 1,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.34 : 5,776.92 = 1,254.12 : x
  2. Step 2: Convert to fraction form
    3,851.34/5,776.92 = 1,254.12/x
  3. Step 3: Cross multiply
    3,851.34x = 5,776.92 × 1,254.12
  4. Step 4: Simplify right side
    3,851.34x = 7,244,950.91
  5. Step 5: Solve for x
    x = 7,244,950.91/3,851.34
  6. Step 6: Final answer
    x = 1,881.15

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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.