Home / 2,170.21-3,255.18-610.19

Finding the Fourth Proportional to 2,170.21, 3,255.18 and 610.19

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Solution

The fourth proportional to 2,170.21, 3,255.18 and 610.19 is: 915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.21 : 3,255.18 = 610.19 : x
  2. Step 2: Convert to fraction form
    2,170.21/3,255.18 = 610.19/x
  3. Step 3: Cross multiply
    2,170.21x = 3,255.18 × 610.19
  4. Step 4: Simplify right side
    2,170.21x = 1,986,278.28
  5. Step 5: Solve for x
    x = 1,986,278.28/2,170.21
  6. Step 6: Final answer
    x = 915.25

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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.