Home / 3,179.49-4,389.17-1,852.71

Finding the Fourth Proportional to 3,179.49, 4,389.17 and 1,852.71

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Solution

The fourth proportional to 3,179.49, 4,389.17 and 1,852.71 is: 2,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.49 : 4,389.17 = 1,852.71 : x
  2. Step 2: Convert to fraction form
    3,179.49/4,389.17 = 1,852.71/x
  3. Step 3: Cross multiply
    3,179.49x = 4,389.17 × 1,852.71
  4. Step 4: Simplify right side
    3,179.49x = 8,131,849.89
  5. Step 5: Solve for x
    x = 8,131,849.89/3,179.49
  6. Step 6: Final answer
    x = 2,557.60

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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.