Home / 2,972.36-4,432.22-2,771.30

Finding the Fourth Proportional to 2,972.36, 4,432.22 and 2,771.30

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Solution

The fourth proportional to 2,972.36, 4,432.22 and 2,771.30 is: 4,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.36 : 4,432.22 = 2,771.30 : x
  2. Step 2: Convert to fraction form
    2,972.36/4,432.22 = 2,771.30/x
  3. Step 3: Cross multiply
    2,972.36x = 4,432.22 × 2,771.30
  4. Step 4: Simplify right side
    2,972.36x = 12,283,011.29
  5. Step 5: Solve for x
    x = 12,283,011.29/2,972.36
  6. Step 6: Final answer
    x = 4,132.41

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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.