Home / 2,324.28-3,208.34-1,538.58

Finding the Fourth Proportional to 2,324.28, 3,208.34 and 1,538.58

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Solution

The fourth proportional to 2,324.28, 3,208.34 and 1,538.58 is: 2,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.28 : 3,208.34 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    2,324.28/3,208.34 = 1,538.58/x
  3. Step 3: Cross multiply
    2,324.28x = 3,208.34 × 1,538.58
  4. Step 4: Simplify right side
    2,324.28x = 4,936,287.76
  5. Step 5: Solve for x
    x = 4,936,287.76/2,324.28
  6. Step 6: Final answer
    x = 2,123.79

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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.