Home / 4,091.10-5,645.86-2,298.90

Finding the Fourth Proportional to 4,091.10, 5,645.86 and 2,298.90

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Solution

The fourth proportional to 4,091.10, 5,645.86 and 2,298.90 is: 3,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.10 : 5,645.86 = 2,298.90 : x
  2. Step 2: Convert to fraction form
    4,091.10/5,645.86 = 2,298.90/x
  3. Step 3: Cross multiply
    4,091.10x = 5,645.86 × 2,298.90
  4. Step 4: Simplify right side
    4,091.10x = 12,979,267.55
  5. Step 5: Solve for x
    x = 12,979,267.55/4,091.10
  6. Step 6: Final answer
    x = 3,172.56

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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.