Home / 1,518.60-2,096.22-1,076.76

Finding the Fourth Proportional to 1,518.60, 2,096.22 and 1,076.76

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Solution

The fourth proportional to 1,518.60, 2,096.22 and 1,076.76 is: 1,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.60 : 2,096.22 = 1,076.76 : x
  2. Step 2: Convert to fraction form
    1,518.60/2,096.22 = 1,076.76/x
  3. Step 3: Cross multiply
    1,518.60x = 2,096.22 × 1,076.76
  4. Step 4: Simplify right side
    1,518.60x = 2,257,125.85
  5. Step 5: Solve for x
    x = 2,257,125.85/1,518.60
  6. Step 6: Final answer
    x = 1,486.32

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Double scale
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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.