Home / 2,414.22-3,621.27-770.75

Finding the Fourth Proportional to 2,414.22, 3,621.27 and 770.75

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Solution

The fourth proportional to 2,414.22, 3,621.27 and 770.75 is: 1,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.22 : 3,621.27 = 770.75 : x
  2. Step 2: Convert to fraction form
    2,414.22/3,621.27 = 770.75/x
  3. Step 3: Cross multiply
    2,414.22x = 3,621.27 × 770.75
  4. Step 4: Simplify right side
    2,414.22x = 2,791,075.75
  5. Step 5: Solve for x
    x = 2,791,075.75/2,414.22
  6. Step 6: Final answer
    x = 1,156.10

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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.