Home / 3,191.24-4,400.94-2,070.98

Finding the Fourth Proportional to 3,191.24, 4,400.94 and 2,070.98

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Solution

The fourth proportional to 3,191.24, 4,400.94 and 2,070.98 is: 2,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.24 : 4,400.94 = 2,070.98 : x
  2. Step 2: Convert to fraction form
    3,191.24/4,400.94 = 2,070.98/x
  3. Step 3: Cross multiply
    3,191.24x = 4,400.94 × 2,070.98
  4. Step 4: Simplify right side
    3,191.24x = 9,114,258.72
  5. Step 5: Solve for x
    x = 9,114,258.72/3,191.24
  6. Step 6: Final answer
    x = 2,856.02

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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.