Home / 3,559.41-4,912.11-3,116.52

Finding the Fourth Proportional to 3,559.41, 4,912.11 and 3,116.52

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Solution

The fourth proportional to 3,559.41, 4,912.11 and 3,116.52 is: 4,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.41 : 4,912.11 = 3,116.52 : x
  2. Step 2: Convert to fraction form
    3,559.41/4,912.11 = 3,116.52/x
  3. Step 3: Cross multiply
    3,559.41x = 4,912.11 × 3,116.52
  4. Step 4: Simplify right side
    3,559.41x = 15,308,689.06
  5. Step 5: Solve for x
    x = 15,308,689.06/3,559.41
  6. Step 6: Final answer
    x = 4,300.91

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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.