Home / 2,828.42-3,903.11-1,569.53

Finding the Fourth Proportional to 2,828.42, 3,903.11 and 1,569.53

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Solution

The fourth proportional to 2,828.42, 3,903.11 and 1,569.53 is: 2,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.42 : 3,903.11 = 1,569.53 : x
  2. Step 2: Convert to fraction form
    2,828.42/3,903.11 = 1,569.53/x
  3. Step 3: Cross multiply
    2,828.42x = 3,903.11 × 1,569.53
  4. Step 4: Simplify right side
    2,828.42x = 6,126,028.72
  5. Step 5: Solve for x
    x = 6,126,028.72/2,828.42
  6. Step 6: Final answer
    x = 2,165.89

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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.