Home / 2,332.20-3,218.28-1,448.10

Finding the Fourth Proportional to 2,332.20, 3,218.28 and 1,448.10

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Solution

The fourth proportional to 2,332.20, 3,218.28 and 1,448.10 is: 1,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.20 : 3,218.28 = 1,448.10 : x
  2. Step 2: Convert to fraction form
    2,332.20/3,218.28 = 1,448.10/x
  3. Step 3: Cross multiply
    2,332.20x = 3,218.28 × 1,448.10
  4. Step 4: Simplify right side
    2,332.20x = 4,660,391.27
  5. Step 5: Solve for x
    x = 4,660,391.27/2,332.20
  6. Step 6: Final answer
    x = 1,998.28

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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.