Home / 2,767.23-3,818.34-1,587.87

Finding the Fourth Proportional to 2,767.23, 3,818.34 and 1,587.87

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Solution

The fourth proportional to 2,767.23, 3,818.34 and 1,587.87 is: 2,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.23 : 3,818.34 = 1,587.87 : x
  2. Step 2: Convert to fraction form
    2,767.23/3,818.34 = 1,587.87/x
  3. Step 3: Cross multiply
    2,767.23x = 3,818.34 × 1,587.87
  4. Step 4: Simplify right side
    2,767.23x = 6,063,027.54
  5. Step 5: Solve for x
    x = 6,063,027.54/2,767.23
  6. Step 6: Final answer
    x = 2,191.01

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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.