Home / 2,769.84-3,822.17-1,574.96

Finding the Fourth Proportional to 2,769.84, 3,822.17 and 1,574.96

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Solution

The fourth proportional to 2,769.84, 3,822.17 and 1,574.96 is: 2,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.84 : 3,822.17 = 1,574.96 : x
  2. Step 2: Convert to fraction form
    2,769.84/3,822.17 = 1,574.96/x
  3. Step 3: Cross multiply
    2,769.84x = 3,822.17 × 1,574.96
  4. Step 4: Simplify right side
    2,769.84x = 6,019,737.88
  5. Step 5: Solve for x
    x = 6,019,737.88/2,769.84
  6. Step 6: Final answer
    x = 2,173.32

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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.