Home / 2,245.80-3,368.28-948.18

Finding the Fourth Proportional to 2,245.80, 3,368.28 and 948.18

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Solution

The fourth proportional to 2,245.80, 3,368.28 and 948.18 is: 1,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.80 : 3,368.28 = 948.18 : x
  2. Step 2: Convert to fraction form
    2,245.80/3,368.28 = 948.18/x
  3. Step 3: Cross multiply
    2,245.80x = 3,368.28 × 948.18
  4. Step 4: Simplify right side
    2,245.80x = 3,193,735.73
  5. Step 5: Solve for x
    x = 3,193,735.73/2,245.80
  6. Step 6: Final answer
    x = 1,422.09

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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.