Home / 2,828.34-3,903.30-1,569.60

Finding the Fourth Proportional to 2,828.34, 3,903.30 and 1,569.60

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Solution

The fourth proportional to 2,828.34, 3,903.30 and 1,569.60 is: 2,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.34 : 3,903.30 = 1,569.60 : x
  2. Step 2: Convert to fraction form
    2,828.34/3,903.30 = 1,569.60/x
  3. Step 3: Cross multiply
    2,828.34x = 3,903.30 × 1,569.60
  4. Step 4: Simplify right side
    2,828.34x = 6,126,619.68
  5. Step 5: Solve for x
    x = 6,126,619.68/2,828.34
  6. Step 6: Final answer
    x = 2,166.15

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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.