Home / 2,448.20-3,672.60-804.30

Finding the Fourth Proportional to 2,448.20, 3,672.60 and 804.30

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Solution

The fourth proportional to 2,448.20, 3,672.60 and 804.30 is: 1,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.20 : 3,672.60 = 804.30 : x
  2. Step 2: Convert to fraction form
    2,448.20/3,672.60 = 804.30/x
  3. Step 3: Cross multiply
    2,448.20x = 3,672.60 × 804.30
  4. Step 4: Simplify right side
    2,448.20x = 2,953,872.18
  5. Step 5: Solve for x
    x = 2,953,872.18/2,448.20
  6. Step 6: Final answer
    x = 1,206.55

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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.