Home / 2,402.10-3,603.15-1,365.30

Finding the Fourth Proportional to 2,402.10, 3,603.15 and 1,365.30

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Solution

The fourth proportional to 2,402.10, 3,603.15 and 1,365.30 is: 2,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.10 : 3,603.15 = 1,365.30 : x
  2. Step 2: Convert to fraction form
    2,402.10/3,603.15 = 1,365.30/x
  3. Step 3: Cross multiply
    2,402.10x = 3,603.15 × 1,365.30
  4. Step 4: Simplify right side
    2,402.10x = 4,919,380.70
  5. Step 5: Solve for x
    x = 4,919,380.70/2,402.10
  6. Step 6: Final answer
    x = 2,047.95

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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.