Home / 3,148.34-4,722.71-1,299.41

Finding the Fourth Proportional to 3,148.34, 4,722.71 and 1,299.41

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Solution

The fourth proportional to 3,148.34, 4,722.71 and 1,299.41 is: 1,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.34 : 4,722.71 = 1,299.41 : x
  2. Step 2: Convert to fraction form
    3,148.34/4,722.71 = 1,299.41/x
  3. Step 3: Cross multiply
    3,148.34x = 4,722.71 × 1,299.41
  4. Step 4: Simplify right side
    3,148.34x = 6,136,724.20
  5. Step 5: Solve for x
    x = 6,136,724.20/3,148.34
  6. Step 6: Final answer
    x = 1,949.20

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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.