Home / 3,302.28-4,557.12-1,905

Finding the Fourth Proportional to 3,302.28, 4,557.12 and 1,905

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Solution

The fourth proportional to 3,302.28, 4,557.12 and 1,905 is: 2,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.28 : 4,557.12 = 1,905 : x
  2. Step 2: Convert to fraction form
    3,302.28/4,557.12 = 1,905/x
  3. Step 3: Cross multiply
    3,302.28x = 4,557.12 × 1,905
  4. Step 4: Simplify right side
    3,302.28x = 8,681,313.60
  5. Step 5: Solve for x
    x = 8,681,313.60/3,302.28
  6. Step 6: Final answer
    x = 2,628.88

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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.