Home / 2,971.13-4,428.97-2,926.08

Finding the Fourth Proportional to 2,971.13, 4,428.97 and 2,926.08

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Solution

The fourth proportional to 2,971.13, 4,428.97 and 2,926.08 is: 4,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.13 : 4,428.97 = 2,926.08 : x
  2. Step 2: Convert to fraction form
    2,971.13/4,428.97 = 2,926.08/x
  3. Step 3: Cross multiply
    2,971.13x = 4,428.97 × 2,926.08
  4. Step 4: Simplify right side
    2,971.13x = 12,959,520.54
  5. Step 5: Solve for x
    x = 12,959,520.54/2,971.13
  6. Step 6: Final answer
    x = 4,361.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.