Home / 2,909.31-4,013.88-1,650.24

Finding the Fourth Proportional to 2,909.31, 4,013.88 and 1,650.24

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Solution

The fourth proportional to 2,909.31, 4,013.88 and 1,650.24 is: 2,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.31 : 4,013.88 = 1,650.24 : x
  2. Step 2: Convert to fraction form
    2,909.31/4,013.88 = 1,650.24/x
  3. Step 3: Cross multiply
    2,909.31x = 4,013.88 × 1,650.24
  4. Step 4: Simplify right side
    2,909.31x = 6,623,865.33
  5. Step 5: Solve for x
    x = 6,623,865.33/2,909.31
  6. Step 6: Final answer
    x = 2,276.78

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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.