Home / 3,603.48-4,973.08-2,031.72

Finding the Fourth Proportional to 3,603.48, 4,973.08 and 2,031.72

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Solution

The fourth proportional to 3,603.48, 4,973.08 and 2,031.72 is: 2,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.48 : 4,973.08 = 2,031.72 : x
  2. Step 2: Convert to fraction form
    3,603.48/4,973.08 = 2,031.72/x
  3. Step 3: Cross multiply
    3,603.48x = 4,973.08 × 2,031.72
  4. Step 4: Simplify right side
    3,603.48x = 10,103,906.10
  5. Step 5: Solve for x
    x = 10,103,906.10/3,603.48
  6. Step 6: Final answer
    x = 2,803.93

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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.