Home / 2,427.77-3,644.60-1,909.44

Finding the Fourth Proportional to 2,427.77, 3,644.60 and 1,909.44

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Solution

The fourth proportional to 2,427.77, 3,644.60 and 1,909.44 is: 2,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.77 : 3,644.60 = 1,909.44 : x
  2. Step 2: Convert to fraction form
    2,427.77/3,644.60 = 1,909.44/x
  3. Step 3: Cross multiply
    2,427.77x = 3,644.60 × 1,909.44
  4. Step 4: Simplify right side
    2,427.77x = 6,959,135.48
  5. Step 5: Solve for x
    x = 6,959,135.48/2,427.77
  6. Step 6: Final answer
    x = 2,866.47

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1.5x scale

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.