Home / 2,810.72-4,211.21-2,232.38

Finding the Fourth Proportional to 2,810.72, 4,211.21 and 2,232.38

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Solution

The fourth proportional to 2,810.72, 4,211.21 and 2,232.38 is: 3,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.72 : 4,211.21 = 2,232.38 : x
  2. Step 2: Convert to fraction form
    2,810.72/4,211.21 = 2,232.38/x
  3. Step 3: Cross multiply
    2,810.72x = 4,211.21 × 2,232.38
  4. Step 4: Simplify right side
    2,810.72x = 9,400,988.76
  5. Step 5: Solve for x
    x = 9,400,988.76/2,810.72
  6. Step 6: Final answer
    x = 3,344.70

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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.