Home / 2,662.08-3,989.76-2,332.20

Finding the Fourth Proportional to 2,662.08, 3,989.76 and 2,332.20

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Solution

The fourth proportional to 2,662.08, 3,989.76 and 2,332.20 is: 3,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.08 : 3,989.76 = 2,332.20 : x
  2. Step 2: Convert to fraction form
    2,662.08/3,989.76 = 2,332.20/x
  3. Step 3: Cross multiply
    2,662.08x = 3,989.76 × 2,332.20
  4. Step 4: Simplify right side
    2,662.08x = 9,304,918.27
  5. Step 5: Solve for x
    x = 9,304,918.27/2,662.08
  6. Step 6: Final answer
    x = 3,495.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.