Home / 2,101.59-3,151.08-1,793.64

Finding the Fourth Proportional to 2,101.59, 3,151.08 and 1,793.64

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Solution

The fourth proportional to 2,101.59, 3,151.08 and 1,793.64 is: 2,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.59 : 3,151.08 = 1,793.64 : x
  2. Step 2: Convert to fraction form
    2,101.59/3,151.08 = 1,793.64/x
  3. Step 3: Cross multiply
    2,101.59x = 3,151.08 × 1,793.64
  4. Step 4: Simplify right side
    2,101.59x = 5,651,903.13
  5. Step 5: Solve for x
    x = 5,651,903.13/2,101.59
  6. Step 6: Final answer
    x = 2,689.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.