Home / 4,969.19-7,454.69-2,045.90

Finding the Fourth Proportional to 4,969.19, 7,454.69 and 2,045.90

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Solution

The fourth proportional to 4,969.19, 7,454.69 and 2,045.90 is: 3,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.19 : 7,454.69 = 2,045.90 : x
  2. Step 2: Convert to fraction form
    4,969.19/7,454.69 = 2,045.90/x
  3. Step 3: Cross multiply
    4,969.19x = 7,454.69 × 2,045.90
  4. Step 4: Simplify right side
    4,969.19x = 15,251,550.27
  5. Step 5: Solve for x
    x = 15,251,550.27/4,969.19
  6. Step 6: Final answer
    x = 3,069.22

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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.