Home / 2,829.90-3,903.68-1,650.75

Finding the Fourth Proportional to 2,829.90, 3,903.68 and 1,650.75

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Solution

The fourth proportional to 2,829.90, 3,903.68 and 1,650.75 is: 2,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.90 : 3,903.68 = 1,650.75 : x
  2. Step 2: Convert to fraction form
    2,829.90/3,903.68 = 1,650.75/x
  3. Step 3: Cross multiply
    2,829.90x = 3,903.68 × 1,650.75
  4. Step 4: Simplify right side
    2,829.90x = 6,443,991.51
  5. Step 5: Solve for x
    x = 6,443,991.51/2,829.90
  6. Step 6: Final answer
    x = 2,277.11

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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.