Home / 2,971.13-4,089.21-2,546.70

Finding the Fourth Proportional to 2,971.13, 4,089.21 and 2,546.70

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Solution

The fourth proportional to 2,971.13, 4,089.21 and 2,546.70 is: 3,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.13 : 4,089.21 = 2,546.70 : x
  2. Step 2: Convert to fraction form
    2,971.13/4,089.21 = 2,546.70/x
  3. Step 3: Cross multiply
    2,971.13x = 4,089.21 × 2,546.70
  4. Step 4: Simplify right side
    2,971.13x = 10,413,991.11
  5. Step 5: Solve for x
    x = 10,413,991.11/2,971.13
  6. Step 6: Final answer
    x = 3,505.07

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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.