Home / 2,972.27-4,451.12-1,995.41

Finding the Fourth Proportional to 2,972.27, 4,451.12 and 1,995.41

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Solution

The fourth proportional to 2,972.27, 4,451.12 and 1,995.41 is: 2,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.27 : 4,451.12 = 1,995.41 : x
  2. Step 2: Convert to fraction form
    2,972.27/4,451.12 = 1,995.41/x
  3. Step 3: Cross multiply
    2,972.27x = 4,451.12 × 1,995.41
  4. Step 4: Simplify right side
    2,972.27x = 8,881,810.51
  5. Step 5: Solve for x
    x = 8,881,810.51/2,972.27
  6. Step 6: Final answer
    x = 2,988.22

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1.5x scale

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.