Home / 2,849.63-3,932.51-1,671.71

Finding the Fourth Proportional to 2,849.63, 3,932.51 and 1,671.71

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Solution

The fourth proportional to 2,849.63, 3,932.51 and 1,671.71 is: 2,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.63 : 3,932.51 = 1,671.71 : x
  2. Step 2: Convert to fraction form
    2,849.63/3,932.51 = 1,671.71/x
  3. Step 3: Cross multiply
    2,849.63x = 3,932.51 × 1,671.71
  4. Step 4: Simplify right side
    2,849.63x = 6,573,988.27
  5. Step 5: Solve for x
    x = 6,573,988.27/2,849.63
  6. Step 6: Final answer
    x = 2,306.97

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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.