Home / 2,530.15-3,788.53-1,785.71

Finding the Fourth Proportional to 2,530.15, 3,788.53 and 1,785.71

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Solution

The fourth proportional to 2,530.15, 3,788.53 and 1,785.71 is: 2,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.15 : 3,788.53 = 1,785.71 : x
  2. Step 2: Convert to fraction form
    2,530.15/3,788.53 = 1,785.71/x
  3. Step 3: Cross multiply
    2,530.15x = 3,788.53 × 1,785.71
  4. Step 4: Simplify right side
    2,530.15x = 6,765,192.50
  5. Step 5: Solve for x
    x = 6,765,192.50/2,530.15
  6. Step 6: Final answer
    x = 2,673.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.