Home / 3,697.12-5,102.69-2,205.13

Finding the Fourth Proportional to 3,697.12, 5,102.69 and 2,205.13

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Solution

The fourth proportional to 3,697.12, 5,102.69 and 2,205.13 is: 3,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.12 : 5,102.69 = 2,205.13 : x
  2. Step 2: Convert to fraction form
    3,697.12/5,102.69 = 2,205.13/x
  3. Step 3: Cross multiply
    3,697.12x = 5,102.69 × 2,205.13
  4. Step 4: Simplify right side
    3,697.12x = 11,252,094.80
  5. Step 5: Solve for x
    x = 11,252,094.80/3,697.12
  6. Step 6: Final answer
    x = 3,043.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.