Home / 2,378.25-3,295.98-2,341.80

Finding the Fourth Proportional to 2,378.25, 3,295.98 and 2,341.80

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Solution

The fourth proportional to 2,378.25, 3,295.98 and 2,341.80 is: 3,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.25 : 3,295.98 = 2,341.80 : x
  2. Step 2: Convert to fraction form
    2,378.25/3,295.98 = 2,341.80/x
  3. Step 3: Cross multiply
    2,378.25x = 3,295.98 × 2,341.80
  4. Step 4: Simplify right side
    2,378.25x = 7,718,525.96
  5. Step 5: Solve for x
    x = 7,718,525.96/2,378.25
  6. Step 6: Final answer
    x = 3,245.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.