Home / 2,266.28-3,125.59-1,381.46

Finding the Fourth Proportional to 2,266.28, 3,125.59 and 1,381.46

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Solution

The fourth proportional to 2,266.28, 3,125.59 and 1,381.46 is: 1,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.28 : 3,125.59 = 1,381.46 : x
  2. Step 2: Convert to fraction form
    2,266.28/3,125.59 = 1,381.46/x
  3. Step 3: Cross multiply
    2,266.28x = 3,125.59 × 1,381.46
  4. Step 4: Simplify right side
    2,266.28x = 4,317,858.48
  5. Step 5: Solve for x
    x = 4,317,858.48/2,266.28
  6. Step 6: Final answer
    x = 1,905.26

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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.