Home / 3,697.10-5,528.80-2,760.70

Finding the Fourth Proportional to 3,697.10, 5,528.80 and 2,760.70

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Solution

The fourth proportional to 3,697.10, 5,528.80 and 2,760.70 is: 4,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.10 : 5,528.80 = 2,760.70 : x
  2. Step 2: Convert to fraction form
    3,697.10/5,528.80 = 2,760.70/x
  3. Step 3: Cross multiply
    3,697.10x = 5,528.80 × 2,760.70
  4. Step 4: Simplify right side
    3,697.10x = 15,263,337.44
  5. Step 5: Solve for x
    x = 15,263,337.44/3,697.10
  6. Step 6: Final answer
    x = 4,128.47

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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.