Home / 2,828.30-3,903.05-1,569.55

Finding the Fourth Proportional to 2,828.30, 3,903.05 and 1,569.55

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Solution

The fourth proportional to 2,828.30, 3,903.05 and 1,569.55 is: 2,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.30 : 3,903.05 = 1,569.55 : x
  2. Step 2: Convert to fraction form
    2,828.30/3,903.05 = 1,569.55/x
  3. Step 3: Cross multiply
    2,828.30x = 3,903.05 × 1,569.55
  4. Step 4: Simplify right side
    2,828.30x = 6,126,004.76
  5. Step 5: Solve for x
    x = 6,126,004.76/2,828.30
  6. Step 6: Final answer
    x = 2,165.97

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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.