Home / 3,079.13-4,617.66-998.63

Finding the Fourth Proportional to 3,079.13, 4,617.66 and 998.63

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Solution

The fourth proportional to 3,079.13, 4,617.66 and 998.63 is: 1,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.13 : 4,617.66 = 998.63 : x
  2. Step 2: Convert to fraction form
    3,079.13/4,617.66 = 998.63/x
  3. Step 3: Cross multiply
    3,079.13x = 4,617.66 × 998.63
  4. Step 4: Simplify right side
    3,079.13x = 4,611,333.81
  5. Step 5: Solve for x
    x = 4,611,333.81/3,079.13
  6. Step 6: Final answer
    x = 1,497.61

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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.