Home / 2,057.26-3,085.80-902.20

Finding the Fourth Proportional to 2,057.26, 3,085.80 and 902.20

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Solution

The fourth proportional to 2,057.26, 3,085.80 and 902.20 is: 1,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.26 : 3,085.80 = 902.20 : x
  2. Step 2: Convert to fraction form
    2,057.26/3,085.80 = 902.20/x
  3. Step 3: Cross multiply
    2,057.26x = 3,085.80 × 902.20
  4. Step 4: Simplify right side
    2,057.26x = 2,784,008.76
  5. Step 5: Solve for x
    x = 2,784,008.76/2,057.26
  6. Step 6: Final answer
    x = 1,353.26

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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.