Home / 2,828.74-3,903.69-1,569.82

Finding the Fourth Proportional to 2,828.74, 3,903.69 and 1,569.82

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Solution

The fourth proportional to 2,828.74, 3,903.69 and 1,569.82 is: 2,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.74 : 3,903.69 = 1,569.82 : x
  2. Step 2: Convert to fraction form
    2,828.74/3,903.69 = 1,569.82/x
  3. Step 3: Cross multiply
    2,828.74x = 3,903.69 × 1,569.82
  4. Step 4: Simplify right side
    2,828.74x = 6,128,090.64
  5. Step 5: Solve for x
    x = 6,128,090.64/2,828.74
  6. Step 6: Final answer
    x = 2,166.37

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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.