Home / 2,170.03-3,256.80-1,233.55

Finding the Fourth Proportional to 2,170.03, 3,256.80 and 1,233.55

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Solution

The fourth proportional to 2,170.03, 3,256.80 and 1,233.55 is: 1,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.03 : 3,256.80 = 1,233.55 : x
  2. Step 2: Convert to fraction form
    2,170.03/3,256.80 = 1,233.55/x
  3. Step 3: Cross multiply
    2,170.03x = 3,256.80 × 1,233.55
  4. Step 4: Simplify right side
    2,170.03x = 4,017,425.64
  5. Step 5: Solve for x
    x = 4,017,425.64/2,170.03
  6. Step 6: Final answer
    x = 1,851.32

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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.