Home / 2,271.34-3,132.14-2,139.06

Finding the Fourth Proportional to 2,271.34, 3,132.14 and 2,139.06

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Solution

The fourth proportional to 2,271.34, 3,132.14 and 2,139.06 is: 2,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.34 : 3,132.14 = 2,139.06 : x
  2. Step 2: Convert to fraction form
    2,271.34/3,132.14 = 2,139.06/x
  3. Step 3: Cross multiply
    2,271.34x = 3,132.14 × 2,139.06
  4. Step 4: Simplify right side
    2,271.34x = 6,699,835.39
  5. Step 5: Solve for x
    x = 6,699,835.39/2,271.34
  6. Step 6: Final answer
    x = 2,949.73

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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.