Home / 3,605.58-4,976.48-2,281.05

Finding the Fourth Proportional to 3,605.58, 4,976.48 and 2,281.05

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Solution

The fourth proportional to 3,605.58, 4,976.48 and 2,281.05 is: 3,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.58 : 4,976.48 = 2,281.05 : x
  2. Step 2: Convert to fraction form
    3,605.58/4,976.48 = 2,281.05/x
  3. Step 3: Cross multiply
    3,605.58x = 4,976.48 × 2,281.05
  4. Step 4: Simplify right side
    3,605.58x = 11,351,605.41
  5. Step 5: Solve for x
    x = 11,351,605.41/3,605.58
  6. Step 6: Final answer
    x = 3,148.34

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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.