Home / 2,828.48-3,902.83-1,569.34

Finding the Fourth Proportional to 2,828.48, 3,902.83 and 1,569.34

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Solution

The fourth proportional to 2,828.48, 3,902.83 and 1,569.34 is: 2,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.48 : 3,902.83 = 1,569.34 : x
  2. Step 2: Convert to fraction form
    2,828.48/3,902.83 = 1,569.34/x
  3. Step 3: Cross multiply
    2,828.48x = 3,902.83 × 1,569.34
  4. Step 4: Simplify right side
    2,828.48x = 6,124,867.23
  5. Step 5: Solve for x
    x = 6,124,867.23/2,828.48
  6. Step 6: Final answer
    x = 2,165.43

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1.5x scale

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.