Home / 2,296.20-3,151.14-2,150.40

Finding the Fourth Proportional to 2,296.20, 3,151.14 and 2,150.40

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Solution

The fourth proportional to 2,296.20, 3,151.14 and 2,150.40 is: 2,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.20 : 3,151.14 = 2,150.40 : x
  2. Step 2: Convert to fraction form
    2,296.20/3,151.14 = 2,150.40/x
  3. Step 3: Cross multiply
    2,296.20x = 3,151.14 × 2,150.40
  4. Step 4: Simplify right side
    2,296.20x = 6,776,211.46
  5. Step 5: Solve for x
    x = 6,776,211.46/2,296.20
  6. Step 6: Final answer
    x = 2,951.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.