Home / 3,079.50-4,619.76-1,519.58

Finding the Fourth Proportional to 3,079.50, 4,619.76 and 1,519.58

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Solution

The fourth proportional to 3,079.50, 4,619.76 and 1,519.58 is: 2,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.50 : 4,619.76 = 1,519.58 : x
  2. Step 2: Convert to fraction form
    3,079.50/4,619.76 = 1,519.58/x
  3. Step 3: Cross multiply
    3,079.50x = 4,619.76 × 1,519.58
  4. Step 4: Simplify right side
    3,079.50x = 7,020,094.90
  5. Step 5: Solve for x
    x = 7,020,094.90/3,079.50
  6. Step 6: Final answer
    x = 2,279.62

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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.