Home / 2,769.95-3,822.65-1,574.61

Finding the Fourth Proportional to 2,769.95, 3,822.65 and 1,574.61

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Solution

The fourth proportional to 2,769.95, 3,822.65 and 1,574.61 is: 2,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.95 : 3,822.65 = 1,574.61 : x
  2. Step 2: Convert to fraction form
    2,769.95/3,822.65 = 1,574.61/x
  3. Step 3: Cross multiply
    2,769.95x = 3,822.65 × 1,574.61
  4. Step 4: Simplify right side
    2,769.95x = 6,019,182.92
  5. Step 5: Solve for x
    x = 6,019,182.92/2,769.95
  6. Step 6: Final answer
    x = 2,173.03

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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.