Home / 2,266.60-3,402.78-1,781.32

Finding the Fourth Proportional to 2,266.60, 3,402.78 and 1,781.32

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Solution

The fourth proportional to 2,266.60, 3,402.78 and 1,781.32 is: 2,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.60 : 3,402.78 = 1,781.32 : x
  2. Step 2: Convert to fraction form
    2,266.60/3,402.78 = 1,781.32/x
  3. Step 3: Cross multiply
    2,266.60x = 3,402.78 × 1,781.32
  4. Step 4: Simplify right side
    2,266.60x = 6,061,440.07
  5. Step 5: Solve for x
    x = 6,061,440.07/2,266.60
  6. Step 6: Final answer
    x = 2,674.24

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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.