Home / 2,170.01-3,247.45-1,775.45

Finding the Fourth Proportional to 2,170.01, 3,247.45 and 1,775.45

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Solution

The fourth proportional to 2,170.01, 3,247.45 and 1,775.45 is: 2,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.01 : 3,247.45 = 1,775.45 : x
  2. Step 2: Convert to fraction form
    2,170.01/3,247.45 = 1,775.45/x
  3. Step 3: Cross multiply
    2,170.01x = 3,247.45 × 1,775.45
  4. Step 4: Simplify right side
    2,170.01x = 5,765,685.10
  5. Step 5: Solve for x
    x = 5,765,685.10/2,170.01
  6. Step 6: Final answer
    x = 2,656.99

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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.