Home / 2,380.42-3,556.84-1,719.16

Finding the Fourth Proportional to 2,380.42, 3,556.84 and 1,719.16

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Solution

The fourth proportional to 2,380.42, 3,556.84 and 1,719.16 is: 2,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.42 : 3,556.84 = 1,719.16 : x
  2. Step 2: Convert to fraction form
    2,380.42/3,556.84 = 1,719.16/x
  3. Step 3: Cross multiply
    2,380.42x = 3,556.84 × 1,719.16
  4. Step 4: Simplify right side
    2,380.42x = 6,114,750.67
  5. Step 5: Solve for x
    x = 6,114,750.67/2,380.42
  6. Step 6: Final answer
    x = 2,568.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.