Home / 2,851.17-3,933.32-1,671.74

Finding the Fourth Proportional to 2,851.17, 3,933.32 and 1,671.74

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Solution

The fourth proportional to 2,851.17, 3,933.32 and 1,671.74 is: 2,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.17 : 3,933.32 = 1,671.74 : x
  2. Step 2: Convert to fraction form
    2,851.17/3,933.32 = 1,671.74/x
  3. Step 3: Cross multiply
    2,851.17x = 3,933.32 × 1,671.74
  4. Step 4: Simplify right side
    2,851.17x = 6,575,488.38
  5. Step 5: Solve for x
    x = 6,575,488.38/2,851.17
  6. Step 6: Final answer
    x = 2,306.24

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1.5x scale

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.