Home / 3,817.29-5,715.16-2,427.20

Finding the Fourth Proportional to 3,817.29, 5,715.16 and 2,427.20

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Solution

The fourth proportional to 3,817.29, 5,715.16 and 2,427.20 is: 3,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.29 : 5,715.16 = 2,427.20 : x
  2. Step 2: Convert to fraction form
    3,817.29/5,715.16 = 2,427.20/x
  3. Step 3: Cross multiply
    3,817.29x = 5,715.16 × 2,427.20
  4. Step 4: Simplify right side
    3,817.29x = 13,871,823.14
  5. Step 5: Solve for x
    x = 13,871,823.14/3,817.29
  6. Step 6: Final answer
    x = 3,633.94

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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.