Home / 2,851.17-3,933.66-1,671.42

Finding the Fourth Proportional to 2,851.17, 3,933.66 and 1,671.42

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Solution

The fourth proportional to 2,851.17, 3,933.66 and 1,671.42 is: 2,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.17 : 3,933.66 = 1,671.42 : x
  2. Step 2: Convert to fraction form
    2,851.17/3,933.66 = 1,671.42/x
  3. Step 3: Cross multiply
    2,851.17x = 3,933.66 × 1,671.42
  4. Step 4: Simplify right side
    2,851.17x = 6,574,798.00
  5. Step 5: Solve for x
    x = 6,574,798.00/2,851.17
  6. Step 6: Final answer
    x = 2,306.00

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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.