Home / 3,821.54-5,728.61-2,088.95

Finding the Fourth Proportional to 3,821.54, 5,728.61 and 2,088.95

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Solution

The fourth proportional to 3,821.54, 5,728.61 and 2,088.95 is: 3,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.54 : 5,728.61 = 2,088.95 : x
  2. Step 2: Convert to fraction form
    3,821.54/5,728.61 = 2,088.95/x
  3. Step 3: Cross multiply
    3,821.54x = 5,728.61 × 2,088.95
  4. Step 4: Simplify right side
    3,821.54x = 11,966,740.77
  5. Step 5: Solve for x
    x = 11,966,740.77/3,821.54
  6. Step 6: Final answer
    x = 3,131.40

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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.