Home / 3,312.72-4,970.28-1,752.80

Finding the Fourth Proportional to 3,312.72, 4,970.28 and 1,752.80

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Solution

The fourth proportional to 3,312.72, 4,970.28 and 1,752.80 is: 2,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.72 : 4,970.28 = 1,752.80 : x
  2. Step 2: Convert to fraction form
    3,312.72/4,970.28 = 1,752.80/x
  3. Step 3: Cross multiply
    3,312.72x = 4,970.28 × 1,752.80
  4. Step 4: Simplify right side
    3,312.72x = 8,711,906.78
  5. Step 5: Solve for x
    x = 8,711,906.78/3,312.72
  6. Step 6: Final answer
    x = 2,629.83

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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.