Home / 1,627.02-2,247.45-1,450.69

Finding the Fourth Proportional to 1,627.02, 2,247.45 and 1,450.69

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Solution

The fourth proportional to 1,627.02, 2,247.45 and 1,450.69 is: 2,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.02 : 2,247.45 = 1,450.69 : x
  2. Step 2: Convert to fraction form
    1,627.02/2,247.45 = 1,450.69/x
  3. Step 3: Cross multiply
    1,627.02x = 2,247.45 × 1,450.69
  4. Step 4: Simplify right side
    1,627.02x = 3,260,353.24
  5. Step 5: Solve for x
    x = 3,260,353.24/1,627.02
  6. Step 6: Final answer
    x = 2,003.88

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Half scale
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Double scale
Find fourth proportional to 1,628.02, 2,248.83 and 1,451.69
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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.