Home / 2,822.93-4,230.34-1,587.75

Finding the Fourth Proportional to 2,822.93, 4,230.34 and 1,587.75

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Solution

The fourth proportional to 2,822.93, 4,230.34 and 1,587.75 is: 2,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.93 : 4,230.34 = 1,587.75 : x
  2. Step 2: Convert to fraction form
    2,822.93/4,230.34 = 1,587.75/x
  3. Step 3: Cross multiply
    2,822.93x = 4,230.34 × 1,587.75
  4. Step 4: Simplify right side
    2,822.93x = 6,716,722.34
  5. Step 5: Solve for x
    x = 6,716,722.34/2,822.93
  6. Step 6: Final answer
    x = 2,379.34

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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.