Home / 2,454.23-3,680.98-810.80

Finding the Fourth Proportional to 2,454.23, 3,680.98 and 810.80

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Solution

The fourth proportional to 2,454.23, 3,680.98 and 810.80 is: 1,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.23 : 3,680.98 = 810.80 : x
  2. Step 2: Convert to fraction form
    2,454.23/3,680.98 = 810.80/x
  3. Step 3: Cross multiply
    2,454.23x = 3,680.98 × 810.80
  4. Step 4: Simplify right side
    2,454.23x = 2,984,520.18
  5. Step 5: Solve for x
    x = 2,984,520.18/2,454.23
  6. Step 6: Final answer
    x = 1,216.07

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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.