Home / 3,159.96-4,359.87-2,040.95

Finding the Fourth Proportional to 3,159.96, 4,359.87 and 2,040.95

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Solution

The fourth proportional to 3,159.96, 4,359.87 and 2,040.95 is: 2,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.96 : 4,359.87 = 2,040.95 : x
  2. Step 2: Convert to fraction form
    3,159.96/4,359.87 = 2,040.95/x
  3. Step 3: Cross multiply
    3,159.96x = 4,359.87 × 2,040.95
  4. Step 4: Simplify right side
    3,159.96x = 8,898,254.88
  5. Step 5: Solve for x
    x = 8,898,254.88/3,159.96
  6. Step 6: Final answer
    x = 2,815.94

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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.