Home / 3,551.84-5,328.66-1,360.76

Finding the Fourth Proportional to 3,551.84, 5,328.66 and 1,360.76

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Solution

The fourth proportional to 3,551.84, 5,328.66 and 1,360.76 is: 2,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.84 : 5,328.66 = 1,360.76 : x
  2. Step 2: Convert to fraction form
    3,551.84/5,328.66 = 1,360.76/x
  3. Step 3: Cross multiply
    3,551.84x = 5,328.66 × 1,360.76
  4. Step 4: Simplify right side
    3,551.84x = 7,251,027.38
  5. Step 5: Solve for x
    x = 7,251,027.38/3,551.84
  6. Step 6: Final answer
    x = 2,041.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.