Home / 1,719.60-2,383.97-1,630.68

Finding the Fourth Proportional to 1,719.60, 2,383.97 and 1,630.68

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Solution

The fourth proportional to 1,719.60, 2,383.97 and 1,630.68 is: 2,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.60 : 2,383.97 = 1,630.68 : x
  2. Step 2: Convert to fraction form
    1,719.60/2,383.97 = 1,630.68/x
  3. Step 3: Cross multiply
    1,719.60x = 2,383.97 × 1,630.68
  4. Step 4: Simplify right side
    1,719.60x = 3,887,484.05
  5. Step 5: Solve for x
    x = 3,887,484.05/1,719.60
  6. Step 6: Final answer
    x = 2,260.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.