Home / 3,308.88-4,558.50-2,127.90

Finding the Fourth Proportional to 3,308.88, 4,558.50 and 2,127.90

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Solution

The fourth proportional to 3,308.88, 4,558.50 and 2,127.90 is: 2,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.88 : 4,558.50 = 2,127.90 : x
  2. Step 2: Convert to fraction form
    3,308.88/4,558.50 = 2,127.90/x
  3. Step 3: Cross multiply
    3,308.88x = 4,558.50 × 2,127.90
  4. Step 4: Simplify right side
    3,308.88x = 9,700,032.15
  5. Step 5: Solve for x
    x = 9,700,032.15/3,308.88
  6. Step 6: Final answer
    x = 2,931.52

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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.