Home / 3,159.66-4,362.18-2,098.86

Finding the Fourth Proportional to 3,159.66, 4,362.18 and 2,098.86

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Solution

The fourth proportional to 3,159.66, 4,362.18 and 2,098.86 is: 2,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.66 : 4,362.18 = 2,098.86 : x
  2. Step 2: Convert to fraction form
    3,159.66/4,362.18 = 2,098.86/x
  3. Step 3: Cross multiply
    3,159.66x = 4,362.18 × 2,098.86
  4. Step 4: Simplify right side
    3,159.66x = 9,155,605.11
  5. Step 5: Solve for x
    x = 9,155,605.11/3,159.66
  6. Step 6: Final answer
    x = 2,897.66

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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.