Home / 2,548.12-3,819.90-904.46

Finding the Fourth Proportional to 2,548.12, 3,819.90 and 904.46

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Solution

The fourth proportional to 2,548.12, 3,819.90 and 904.46 is: 1,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.12 : 3,819.90 = 904.46 : x
  2. Step 2: Convert to fraction form
    2,548.12/3,819.90 = 904.46/x
  3. Step 3: Cross multiply
    2,548.12x = 3,819.90 × 904.46
  4. Step 4: Simplify right side
    2,548.12x = 3,454,946.75
  5. Step 5: Solve for x
    x = 3,454,946.75/2,548.12
  6. Step 6: Final answer
    x = 1,355.88

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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.