Home / 1,627.95-2,247.59-1,254.22

Finding the Fourth Proportional to 1,627.95, 2,247.59 and 1,254.22

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Solution

The fourth proportional to 1,627.95, 2,247.59 and 1,254.22 is: 1,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.95 : 2,247.59 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    1,627.95/2,247.59 = 1,254.22/x
  3. Step 3: Cross multiply
    1,627.95x = 2,247.59 × 1,254.22
  4. Step 4: Simplify right side
    1,627.95x = 2,818,972.33
  5. Step 5: Solve for x
    x = 2,818,972.33/1,627.95
  6. Step 6: Final answer
    x = 1,731.61

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Half scale
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Double scale
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Similar ratio
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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.