Home / 3,180.52-4,769.58-1,330.70

Finding the Fourth Proportional to 3,180.52, 4,769.58 and 1,330.70

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Solution

The fourth proportional to 3,180.52, 4,769.58 and 1,330.70 is: 1,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.52 : 4,769.58 = 1,330.70 : x
  2. Step 2: Convert to fraction form
    3,180.52/4,769.58 = 1,330.70/x
  3. Step 3: Cross multiply
    3,180.52x = 4,769.58 × 1,330.70
  4. Step 4: Simplify right side
    3,180.52x = 6,346,880.11
  5. Step 5: Solve for x
    x = 6,346,880.11/3,180.52
  6. Step 6: Final answer
    x = 1,995.55

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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.