Home / 3,674.50-5,065.04-2,788.76

Finding the Fourth Proportional to 3,674.50, 5,065.04 and 2,788.76

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Solution

The fourth proportional to 3,674.50, 5,065.04 and 2,788.76 is: 3,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.50 : 5,065.04 = 2,788.76 : x
  2. Step 2: Convert to fraction form
    3,674.50/5,065.04 = 2,788.76/x
  3. Step 3: Cross multiply
    3,674.50x = 5,065.04 × 2,788.76
  4. Step 4: Simplify right side
    3,674.50x = 14,125,180.95
  5. Step 5: Solve for x
    x = 14,125,180.95/3,674.50
  6. Step 6: Final answer
    x = 3,844.11

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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.