Home / 3,851.68-5,777.61-1,254.82

Finding the Fourth Proportional to 3,851.68, 5,777.61 and 1,254.82

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Solution

The fourth proportional to 3,851.68, 5,777.61 and 1,254.82 is: 1,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.68 : 5,777.61 = 1,254.82 : x
  2. Step 2: Convert to fraction form
    3,851.68/5,777.61 = 1,254.82/x
  3. Step 3: Cross multiply
    3,851.68x = 5,777.61 × 1,254.82
  4. Step 4: Simplify right side
    3,851.68x = 7,249,860.58
  5. Step 5: Solve for x
    x = 7,249,860.58/3,851.68
  6. Step 6: Final answer
    x = 1,882.26

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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.