Home / 1,255.44-1,890.54-1,095.06

Finding the Fourth Proportional to 1,255.44, 1,890.54 and 1,095.06

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Solution

The fourth proportional to 1,255.44, 1,890.54 and 1,095.06 is: 1,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.44 : 1,890.54 = 1,095.06 : x
  2. Step 2: Convert to fraction form
    1,255.44/1,890.54 = 1,095.06/x
  3. Step 3: Cross multiply
    1,255.44x = 1,890.54 × 1,095.06
  4. Step 4: Simplify right side
    1,255.44x = 2,070,254.73
  5. Step 5: Solve for x
    x = 2,070,254.73/1,255.44
  6. Step 6: Final answer
    x = 1,649.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.