Home / 2,047.20-3,068.80-1,168.80

Finding the Fourth Proportional to 2,047.20, 3,068.80 and 1,168.80

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Solution

The fourth proportional to 2,047.20, 3,068.80 and 1,168.80 is: 1,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.20 : 3,068.80 = 1,168.80 : x
  2. Step 2: Convert to fraction form
    2,047.20/3,068.80 = 1,168.80/x
  3. Step 3: Cross multiply
    2,047.20x = 3,068.80 × 1,168.80
  4. Step 4: Simplify right side
    2,047.20x = 3,586,813.44
  5. Step 5: Solve for x
    x = 3,586,813.44/2,047.20
  6. Step 6: Final answer
    x = 1,752.06

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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.