Home / 3,079.40-4,619.10-2,751.35

Finding the Fourth Proportional to 3,079.40, 4,619.10 and 2,751.35

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Solution

The fourth proportional to 3,079.40, 4,619.10 and 2,751.35 is: 4,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.40 : 4,619.10 = 2,751.35 : x
  2. Step 2: Convert to fraction form
    3,079.40/4,619.10 = 2,751.35/x
  3. Step 3: Cross multiply
    3,079.40x = 4,619.10 × 2,751.35
  4. Step 4: Simplify right side
    3,079.40x = 12,708,760.79
  5. Step 5: Solve for x
    x = 12,708,760.79/3,079.40
  6. Step 6: Final answer
    x = 4,127.03

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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.