Home / 3,851.60-5,778.24-1,254.48

Finding the Fourth Proportional to 3,851.60, 5,778.24 and 1,254.48

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Solution

The fourth proportional to 3,851.60, 5,778.24 and 1,254.48 is: 1,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.60 : 5,778.24 = 1,254.48 : x
  2. Step 2: Convert to fraction form
    3,851.60/5,778.24 = 1,254.48/x
  3. Step 3: Cross multiply
    3,851.60x = 5,778.24 × 1,254.48
  4. Step 4: Simplify right side
    3,851.60x = 7,248,686.52
  5. Step 5: Solve for x
    x = 7,248,686.52/3,851.60
  6. Step 6: Final answer
    x = 1,881.99

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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.