Home / 3,247.22-4,870.42-1,299.44

Finding the Fourth Proportional to 3,247.22, 4,870.42 and 1,299.44

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Solution

The fourth proportional to 3,247.22, 4,870.42 and 1,299.44 is: 1,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.22 : 4,870.42 = 1,299.44 : x
  2. Step 2: Convert to fraction form
    3,247.22/4,870.42 = 1,299.44/x
  3. Step 3: Cross multiply
    3,247.22x = 4,870.42 × 1,299.44
  4. Step 4: Simplify right side
    3,247.22x = 6,328,803.75
  5. Step 5: Solve for x
    x = 6,328,803.75/3,247.22
  6. Step 6: Final answer
    x = 1,948.99

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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.