Home / 2,828.66-3,903.44-1,569.69

Finding the Fourth Proportional to 2,828.66, 3,903.44 and 1,569.69

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Solution

The fourth proportional to 2,828.66, 3,903.44 and 1,569.69 is: 2,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.66 : 3,903.44 = 1,569.69 : x
  2. Step 2: Convert to fraction form
    2,828.66/3,903.44 = 1,569.69/x
  3. Step 3: Cross multiply
    2,828.66x = 3,903.44 × 1,569.69
  4. Step 4: Simplify right side
    2,828.66x = 6,127,182.89
  5. Step 5: Solve for x
    x = 6,127,182.89/2,828.66
  6. Step 6: Final answer
    x = 2,166.11

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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.