Home / 2,266.14-3,125.43-1,381.62

Finding the Fourth Proportional to 2,266.14, 3,125.43 and 1,381.62

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Solution

The fourth proportional to 2,266.14, 3,125.43 and 1,381.62 is: 1,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.14 : 3,125.43 = 1,381.62 : x
  2. Step 2: Convert to fraction form
    2,266.14/3,125.43 = 1,381.62/x
  3. Step 3: Cross multiply
    2,266.14x = 3,125.43 × 1,381.62
  4. Step 4: Simplify right side
    2,266.14x = 4,318,156.60
  5. Step 5: Solve for x
    x = 4,318,156.60/2,266.14
  6. Step 6: Final answer
    x = 1,905.51

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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.