Home / 2,378.22-3,569.63-1,146.48

Finding the Fourth Proportional to 2,378.22, 3,569.63 and 1,146.48

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Solution

The fourth proportional to 2,378.22, 3,569.63 and 1,146.48 is: 1,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.22 : 3,569.63 = 1,146.48 : x
  2. Step 2: Convert to fraction form
    2,378.22/3,569.63 = 1,146.48/x
  3. Step 3: Cross multiply
    2,378.22x = 3,569.63 × 1,146.48
  4. Step 4: Simplify right side
    2,378.22x = 4,092,503.67
  5. Step 5: Solve for x
    x = 4,092,503.67/2,378.22
  6. Step 6: Final answer
    x = 1,720.83

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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.