Home / 2,828.06-3,902.73-1,569.17

Finding the Fourth Proportional to 2,828.06, 3,902.73 and 1,569.17

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Solution

The fourth proportional to 2,828.06, 3,902.73 and 1,569.17 is: 2,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.06 : 3,902.73 = 1,569.17 : x
  2. Step 2: Convert to fraction form
    2,828.06/3,902.73 = 1,569.17/x
  3. Step 3: Cross multiply
    2,828.06x = 3,902.73 × 1,569.17
  4. Step 4: Simplify right side
    2,828.06x = 6,124,059.53
  5. Step 5: Solve for x
    x = 6,124,059.53/2,828.06
  6. Step 6: Final answer
    x = 2,165.46

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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.