Home / 2,402.64-3,603.84-1,170.18

Finding the Fourth Proportional to 2,402.64, 3,603.84 and 1,170.18

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Solution

The fourth proportional to 2,402.64, 3,603.84 and 1,170.18 is: 1,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.64 : 3,603.84 = 1,170.18 : x
  2. Step 2: Convert to fraction form
    2,402.64/3,603.84 = 1,170.18/x
  3. Step 3: Cross multiply
    2,402.64x = 3,603.84 × 1,170.18
  4. Step 4: Simplify right side
    2,402.64x = 4,217,141.49
  5. Step 5: Solve for x
    x = 4,217,141.49/2,402.64
  6. Step 6: Final answer
    x = 1,755.21

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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.