Home / 3,079.50-4,619.25-1,027.50

Finding the Fourth Proportional to 3,079.50, 4,619.25 and 1,027.50

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Solution

The fourth proportional to 3,079.50, 4,619.25 and 1,027.50 is: 1,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.50 : 4,619.25 = 1,027.50 : x
  2. Step 2: Convert to fraction form
    3,079.50/4,619.25 = 1,027.50/x
  3. Step 3: Cross multiply
    3,079.50x = 4,619.25 × 1,027.50
  4. Step 4: Simplify right side
    3,079.50x = 4,746,279.38
  5. Step 5: Solve for x
    x = 4,746,279.38/3,079.50
  6. Step 6: Final answer
    x = 1,541.25

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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.