Home / 3,801.10-5,701.65-2,756.20

Finding the Fourth Proportional to 3,801.10, 5,701.65 and 2,756.20

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Solution

The fourth proportional to 3,801.10, 5,701.65 and 2,756.20 is: 4,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.10 : 5,701.65 = 2,756.20 : x
  2. Step 2: Convert to fraction form
    3,801.10/5,701.65 = 2,756.20/x
  3. Step 3: Cross multiply
    3,801.10x = 5,701.65 × 2,756.20
  4. Step 4: Simplify right side
    3,801.10x = 15,714,887.73
  5. Step 5: Solve for x
    x = 15,714,887.73/3,801.10
  6. Step 6: Final answer
    x = 4,134.30

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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.