Home / 3,603.40-4,972.98-2,031.64

Finding the Fourth Proportional to 3,603.40, 4,972.98 and 2,031.64

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Solution

The fourth proportional to 3,603.40, 4,972.98 and 2,031.64 is: 2,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.40 : 4,972.98 = 2,031.64 : x
  2. Step 2: Convert to fraction form
    3,603.40/4,972.98 = 2,031.64/x
  3. Step 3: Cross multiply
    3,603.40x = 4,972.98 × 2,031.64
  4. Step 4: Simplify right side
    3,603.40x = 10,103,305.09
  5. Step 5: Solve for x
    x = 10,103,305.09/3,603.40
  6. Step 6: Final answer
    x = 2,803.83

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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.