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Finding the Fourth Proportional to 2,700.09, 4,050.18 and 752.22

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Solution

The fourth proportional to 2,700.09, 4,050.18 and 752.22 is: 1,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.09 : 4,050.18 = 752.22 : x
  2. Step 2: Convert to fraction form
    2,700.09/4,050.18 = 752.22/x
  3. Step 3: Cross multiply
    2,700.09x = 4,050.18 × 752.22
  4. Step 4: Simplify right side
    2,700.09x = 3,046,626.40
  5. Step 5: Solve for x
    x = 3,046,626.40/2,700.09
  6. Step 6: Final answer
    x = 1,128.34

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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.