Home / 3,033.70-4,549.20-1,390.75

Finding the Fourth Proportional to 3,033.70, 4,549.20 and 1,390.75

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Solution

The fourth proportional to 3,033.70, 4,549.20 and 1,390.75 is: 2,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.70 : 4,549.20 = 1,390.75 : x
  2. Step 2: Convert to fraction form
    3,033.70/4,549.20 = 1,390.75/x
  3. Step 3: Cross multiply
    3,033.70x = 4,549.20 × 1,390.75
  4. Step 4: Simplify right side
    3,033.70x = 6,326,799.90
  5. Step 5: Solve for x
    x = 6,326,799.90/3,033.70
  6. Step 6: Final answer
    x = 2,085.51

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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.