Home / 3,851.13-5,314.64-2,259

Finding the Fourth Proportional to 3,851.13, 5,314.64 and 2,259

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Solution

The fourth proportional to 3,851.13, 5,314.64 and 2,259 is: 3,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.13 : 5,314.64 = 2,259 : x
  2. Step 2: Convert to fraction form
    3,851.13/5,314.64 = 2,259/x
  3. Step 3: Cross multiply
    3,851.13x = 5,314.64 × 2,259
  4. Step 4: Simplify right side
    3,851.13x = 12,005,773.17
  5. Step 5: Solve for x
    x = 12,005,773.17/3,851.13
  6. Step 6: Final answer
    x = 3,117.46

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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.