Home / 2,769.49-3,821.68-1,510.47

Finding the Fourth Proportional to 2,769.49, 3,821.68 and 1,510.47

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Solution

The fourth proportional to 2,769.49, 3,821.68 and 1,510.47 is: 2,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.49 : 3,821.68 = 1,510.47 : x
  2. Step 2: Convert to fraction form
    2,769.49/3,821.68 = 1,510.47/x
  3. Step 3: Cross multiply
    2,769.49x = 3,821.68 × 1,510.47
  4. Step 4: Simplify right side
    2,769.49x = 5,772,545.63
  5. Step 5: Solve for x
    x = 5,772,545.63/2,769.49
  6. Step 6: Final answer
    x = 2,084.33

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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.