Home / 3,580.11-5,370.63-1,114.95

Finding the Fourth Proportional to 3,580.11, 5,370.63 and 1,114.95

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Solution

The fourth proportional to 3,580.11, 5,370.63 and 1,114.95 is: 1,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.11 : 5,370.63 = 1,114.95 : x
  2. Step 2: Convert to fraction form
    3,580.11/5,370.63 = 1,114.95/x
  3. Step 3: Cross multiply
    3,580.11x = 5,370.63 × 1,114.95
  4. Step 4: Simplify right side
    3,580.11x = 5,987,983.92
  5. Step 5: Solve for x
    x = 5,987,983.92/3,580.11
  6. Step 6: Final answer
    x = 1,672.57

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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.