Home / 2,332.78-3,215.55-2,286.70

Finding the Fourth Proportional to 2,332.78, 3,215.55 and 2,286.70

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Solution

The fourth proportional to 2,332.78, 3,215.55 and 2,286.70 is: 3,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.78 : 3,215.55 = 2,286.70 : x
  2. Step 2: Convert to fraction form
    2,332.78/3,215.55 = 2,286.70/x
  3. Step 3: Cross multiply
    2,332.78x = 3,215.55 × 2,286.70
  4. Step 4: Simplify right side
    2,332.78x = 7,352,998.19
  5. Step 5: Solve for x
    x = 7,352,998.19/2,332.78
  6. Step 6: Final answer
    x = 3,152.03

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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.