Home / 2,769.87-3,822.48-1,510.95

Finding the Fourth Proportional to 2,769.87, 3,822.48 and 1,510.95

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Solution

The fourth proportional to 2,769.87, 3,822.48 and 1,510.95 is: 2,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.87 : 3,822.48 = 1,510.95 : x
  2. Step 2: Convert to fraction form
    2,769.87/3,822.48 = 1,510.95/x
  3. Step 3: Cross multiply
    2,769.87x = 3,822.48 × 1,510.95
  4. Step 4: Simplify right side
    2,769.87x = 5,775,576.16
  5. Step 5: Solve for x
    x = 5,775,576.16/2,769.87
  6. Step 6: Final answer
    x = 2,085.14

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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.