Home / 2,828.40-3,903.22-1,569.48

Finding the Fourth Proportional to 2,828.40, 3,903.22 and 1,569.48

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Solution

The fourth proportional to 2,828.40, 3,903.22 and 1,569.48 is: 2,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.40 : 3,903.22 = 1,569.48 : x
  2. Step 2: Convert to fraction form
    2,828.40/3,903.22 = 1,569.48/x
  3. Step 3: Cross multiply
    2,828.40x = 3,903.22 × 1,569.48
  4. Step 4: Simplify right side
    2,828.40x = 6,126,002.29
  5. Step 5: Solve for x
    x = 6,126,002.29/2,828.40
  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.