Home / 3,148.30-4,722.45-2,662.30

Finding the Fourth Proportional to 3,148.30, 4,722.45 and 2,662.30

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Solution

The fourth proportional to 3,148.30, 4,722.45 and 2,662.30 is: 3,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.30 : 4,722.45 = 2,662.30 : x
  2. Step 2: Convert to fraction form
    3,148.30/4,722.45 = 2,662.30/x
  3. Step 3: Cross multiply
    3,148.30x = 4,722.45 × 2,662.30
  4. Step 4: Simplify right side
    3,148.30x = 12,572,578.64
  5. Step 5: Solve for x
    x = 12,572,578.64/3,148.30
  6. Step 6: Final answer
    x = 3,993.45

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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.