Home / 2,833.20-3,909.74-1,654.20

Finding the Fourth Proportional to 2,833.20, 3,909.74 and 1,654.20

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Solution

The fourth proportional to 2,833.20, 3,909.74 and 1,654.20 is: 2,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.20 : 3,909.74 = 1,654.20 : x
  2. Step 2: Convert to fraction form
    2,833.20/3,909.74 = 1,654.20/x
  3. Step 3: Cross multiply
    2,833.20x = 3,909.74 × 1,654.20
  4. Step 4: Simplify right side
    2,833.20x = 6,467,483.64
  5. Step 5: Solve for x
    x = 6,467,483.64/2,833.20
  6. Step 6: Final answer
    x = 2,282.75

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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.