Home / 3,159.29-4,359.77-1,833.21

Finding the Fourth Proportional to 3,159.29, 4,359.77 and 1,833.21

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Solution

The fourth proportional to 3,159.29, 4,359.77 and 1,833.21 is: 2,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.29 : 4,359.77 = 1,833.21 : x
  2. Step 2: Convert to fraction form
    3,159.29/4,359.77 = 1,833.21/x
  3. Step 3: Cross multiply
    3,159.29x = 4,359.77 × 1,833.21
  4. Step 4: Simplify right side
    3,159.29x = 7,992,364.80
  5. Step 5: Solve for x
    x = 7,992,364.80/3,159.29
  6. Step 6: Final answer
    x = 2,529.80

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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.