Home / 3,707.16-5,555.88-2,728.68

Finding the Fourth Proportional to 3,707.16, 5,555.88 and 2,728.68

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Solution

The fourth proportional to 3,707.16, 5,555.88 and 2,728.68 is: 4,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.16 : 5,555.88 = 2,728.68 : x
  2. Step 2: Convert to fraction form
    3,707.16/5,555.88 = 2,728.68/x
  3. Step 3: Cross multiply
    3,707.16x = 5,555.88 × 2,728.68
  4. Step 4: Simplify right side
    3,707.16x = 15,160,218.64
  5. Step 5: Solve for x
    x = 15,160,218.64/3,707.16
  6. Step 6: Final answer
    x = 4,089.44

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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.