Home / 3,154.30-4,353.48-1,828.42

Finding the Fourth Proportional to 3,154.30, 4,353.48 and 1,828.42

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Solution

The fourth proportional to 3,154.30, 4,353.48 and 1,828.42 is: 2,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.30 : 4,353.48 = 1,828.42 : x
  2. Step 2: Convert to fraction form
    3,154.30/4,353.48 = 1,828.42/x
  3. Step 3: Cross multiply
    3,154.30x = 4,353.48 × 1,828.42
  4. Step 4: Simplify right side
    3,154.30x = 7,959,979.02
  5. Step 5: Solve for x
    x = 7,959,979.02/3,154.30
  6. Step 6: Final answer
    x = 2,523.53

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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.