Home / 2,909.91-4,015.37-1,650.56

Finding the Fourth Proportional to 2,909.91, 4,015.37 and 1,650.56

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Solution

The fourth proportional to 2,909.91, 4,015.37 and 1,650.56 is: 2,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.91 : 4,015.37 = 1,650.56 : x
  2. Step 2: Convert to fraction form
    2,909.91/4,015.37 = 1,650.56/x
  3. Step 3: Cross multiply
    2,909.91x = 4,015.37 × 1,650.56
  4. Step 4: Simplify right side
    2,909.91x = 6,627,609.11
  5. Step 5: Solve for x
    x = 6,627,609.11/2,909.91
  6. Step 6: Final answer
    x = 2,277.60

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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.