Home / 2,271.40-3,132.97-2,195.22

Finding the Fourth Proportional to 2,271.40, 3,132.97 and 2,195.22

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Solution

The fourth proportional to 2,271.40, 3,132.97 and 2,195.22 is: 3,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.40 : 3,132.97 = 2,195.22 : x
  2. Step 2: Convert to fraction form
    2,271.40/3,132.97 = 2,195.22/x
  3. Step 3: Cross multiply
    2,271.40x = 3,132.97 × 2,195.22
  4. Step 4: Simplify right side
    2,271.40x = 6,877,558.40
  5. Step 5: Solve for x
    x = 6,877,558.40/2,271.40
  6. Step 6: Final answer
    x = 3,027.89

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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.