Home / 2,049.84-2,828.78-1,210.56

Finding the Fourth Proportional to 2,049.84, 2,828.78 and 1,210.56

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Solution

The fourth proportional to 2,049.84, 2,828.78 and 1,210.56 is: 1,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.84 : 2,828.78 = 1,210.56 : x
  2. Step 2: Convert to fraction form
    2,049.84/2,828.78 = 1,210.56/x
  3. Step 3: Cross multiply
    2,049.84x = 2,828.78 × 1,210.56
  4. Step 4: Simplify right side
    2,049.84x = 3,424,407.92
  5. Step 5: Solve for x
    x = 3,424,407.92/2,049.84
  6. Step 6: Final answer
    x = 1,670.57

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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.