Home / 3,339.50-4,609.56-2,079.81

Finding the Fourth Proportional to 3,339.50, 4,609.56 and 2,079.81

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Solution

The fourth proportional to 3,339.50, 4,609.56 and 2,079.81 is: 2,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.50 : 4,609.56 = 2,079.81 : x
  2. Step 2: Convert to fraction form
    3,339.50/4,609.56 = 2,079.81/x
  3. Step 3: Cross multiply
    3,339.50x = 4,609.56 × 2,079.81
  4. Step 4: Simplify right side
    3,339.50x = 9,587,024.53
  5. Step 5: Solve for x
    x = 9,587,024.53/3,339.50
  6. Step 6: Final answer
    x = 2,870.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.