Home / 3,556.80-4,909.77-2,377.44

Finding the Fourth Proportional to 3,556.80, 4,909.77 and 2,377.44

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Solution

The fourth proportional to 3,556.80, 4,909.77 and 2,377.44 is: 3,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.80 : 4,909.77 = 2,377.44 : x
  2. Step 2: Convert to fraction form
    3,556.80/4,909.77 = 2,377.44/x
  3. Step 3: Cross multiply
    3,556.80x = 4,909.77 × 2,377.44
  4. Step 4: Simplify right side
    3,556.80x = 11,672,683.59
  5. Step 5: Solve for x
    x = 11,672,683.59/3,556.80
  6. Step 6: Final answer
    x = 3,281.79

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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.