Home / 3,225.78-4,841.10-2,129.76

Finding the Fourth Proportional to 3,225.78, 4,841.10 and 2,129.76

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Solution

The fourth proportional to 3,225.78, 4,841.10 and 2,129.76 is: 3,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.78 : 4,841.10 = 2,129.76 : x
  2. Step 2: Convert to fraction form
    3,225.78/4,841.10 = 2,129.76/x
  3. Step 3: Cross multiply
    3,225.78x = 4,841.10 × 2,129.76
  4. Step 4: Simplify right side
    3,225.78x = 10,310,381.14
  5. Step 5: Solve for x
    x = 10,310,381.14/3,225.78
  6. Step 6: Final answer
    x = 3,196.24

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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.