Home / 3,485.38-5,229.86-2,316.19

Finding the Fourth Proportional to 3,485.38, 5,229.86 and 2,316.19

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Solution

The fourth proportional to 3,485.38, 5,229.86 and 2,316.19 is: 3,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.38 : 5,229.86 = 2,316.19 : x
  2. Step 2: Convert to fraction form
    3,485.38/5,229.86 = 2,316.19/x
  3. Step 3: Cross multiply
    3,485.38x = 5,229.86 × 2,316.19
  4. Step 4: Simplify right side
    3,485.38x = 12,113,311.70
  5. Step 5: Solve for x
    x = 12,113,311.70/3,485.38
  6. Step 6: Final answer
    x = 3,475.47

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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.