Home / 3,603.18-4,972.28-2,009.87

Finding the Fourth Proportional to 3,603.18, 4,972.28 and 2,009.87

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Solution

The fourth proportional to 3,603.18, 4,972.28 and 2,009.87 is: 2,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.18 : 4,972.28 = 2,009.87 : x
  2. Step 2: Convert to fraction form
    3,603.18/4,972.28 = 2,009.87/x
  3. Step 3: Cross multiply
    3,603.18x = 4,972.28 × 2,009.87
  4. Step 4: Simplify right side
    3,603.18x = 9,993,636.40
  5. Step 5: Solve for x
    x = 9,993,636.40/3,603.18
  6. Step 6: Final answer
    x = 2,773.56

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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.