Home / 3,079.44-4,618.80-1,230.48

Finding the Fourth Proportional to 3,079.44, 4,618.80 and 1,230.48

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Solution

The fourth proportional to 3,079.44, 4,618.80 and 1,230.48 is: 1,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.44 : 4,618.80 = 1,230.48 : x
  2. Step 2: Convert to fraction form
    3,079.44/4,618.80 = 1,230.48/x
  3. Step 3: Cross multiply
    3,079.44x = 4,618.80 × 1,230.48
  4. Step 4: Simplify right side
    3,079.44x = 5,683,341.02
  5. Step 5: Solve for x
    x = 5,683,341.02/3,079.44
  6. Step 6: Final answer
    x = 1,845.58

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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.