Home / 2,433.36-3,381.21-2,402.40

Finding the Fourth Proportional to 2,433.36, 3,381.21 and 2,402.40

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Solution

The fourth proportional to 2,433.36, 3,381.21 and 2,402.40 is: 3,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.36 : 3,381.21 = 2,402.40 : x
  2. Step 2: Convert to fraction form
    2,433.36/3,381.21 = 2,402.40/x
  3. Step 3: Cross multiply
    2,433.36x = 3,381.21 × 2,402.40
  4. Step 4: Simplify right side
    2,433.36x = 8,123,018.90
  5. Step 5: Solve for x
    x = 8,123,018.90/2,433.36
  6. Step 6: Final answer
    x = 3,338.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.