Home / 2,869.67-4,303.77-1,020.71

Finding the Fourth Proportional to 2,869.67, 4,303.77 and 1,020.71

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Solution

The fourth proportional to 2,869.67, 4,303.77 and 1,020.71 is: 1,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.67 : 4,303.77 = 1,020.71 : x
  2. Step 2: Convert to fraction form
    2,869.67/4,303.77 = 1,020.71/x
  3. Step 3: Cross multiply
    2,869.67x = 4,303.77 × 1,020.71
  4. Step 4: Simplify right side
    2,869.67x = 4,392,879.56
  5. Step 5: Solve for x
    x = 4,392,879.56/2,869.67
  6. Step 6: Final answer
    x = 1,530.80

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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.