Home / 2,829.31-4,236.98-1,656.23

Finding the Fourth Proportional to 2,829.31, 4,236.98 and 1,656.23

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Solution

The fourth proportional to 2,829.31, 4,236.98 and 1,656.23 is: 2,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.31 : 4,236.98 = 1,656.23 : x
  2. Step 2: Convert to fraction form
    2,829.31/4,236.98 = 1,656.23/x
  3. Step 3: Cross multiply
    2,829.31x = 4,236.98 × 1,656.23
  4. Step 4: Simplify right side
    2,829.31x = 7,017,383.92
  5. Step 5: Solve for x
    x = 7,017,383.92/2,829.31
  6. Step 6: Final answer
    x = 2,480.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.