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Finding the Fourth Proportional to 3,083.92, 4,625.93 and 1,440.25

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Solution

The fourth proportional to 3,083.92, 4,625.93 and 1,440.25 is: 2,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.92 : 4,625.93 = 1,440.25 : x
  2. Step 2: Convert to fraction form
    3,083.92/4,625.93 = 1,440.25/x
  3. Step 3: Cross multiply
    3,083.92x = 4,625.93 × 1,440.25
  4. Step 4: Simplify right side
    3,083.92x = 6,662,488.48
  5. Step 5: Solve for x
    x = 6,662,488.48/3,083.92
  6. Step 6: Final answer
    x = 2,160.40

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1.5x scale

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.