Home / 3,809.89-5,252.61-2,746.77

Finding the Fourth Proportional to 3,809.89, 5,252.61 and 2,746.77

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Solution

The fourth proportional to 3,809.89, 5,252.61 and 2,746.77 is: 3,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.89 : 5,252.61 = 2,746.77 : x
  2. Step 2: Convert to fraction form
    3,809.89/5,252.61 = 2,746.77/x
  3. Step 3: Cross multiply
    3,809.89x = 5,252.61 × 2,746.77
  4. Step 4: Simplify right side
    3,809.89x = 14,427,711.57
  5. Step 5: Solve for x
    x = 14,427,711.57/3,809.89
  6. Step 6: Final answer
    x = 3,786.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.