Home / 2,250.93-3,106.41-1,242.66

Finding the Fourth Proportional to 2,250.93, 3,106.41 and 1,242.66

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Solution

The fourth proportional to 2,250.93, 3,106.41 and 1,242.66 is: 1,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.93 : 3,106.41 = 1,242.66 : x
  2. Step 2: Convert to fraction form
    2,250.93/3,106.41 = 1,242.66/x
  3. Step 3: Cross multiply
    2,250.93x = 3,106.41 × 1,242.66
  4. Step 4: Simplify right side
    2,250.93x = 3,860,211.45
  5. Step 5: Solve for x
    x = 3,860,211.45/2,250.93
  6. Step 6: Final answer
    x = 1,714.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.