Home / 4,038.21-5,574.66-2,712.87

Finding the Fourth Proportional to 4,038.21, 5,574.66 and 2,712.87

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Solution

The fourth proportional to 4,038.21, 5,574.66 and 2,712.87 is: 3,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.21 : 5,574.66 = 2,712.87 : x
  2. Step 2: Convert to fraction form
    4,038.21/5,574.66 = 2,712.87/x
  3. Step 3: Cross multiply
    4,038.21x = 5,574.66 × 2,712.87
  4. Step 4: Simplify right side
    4,038.21x = 15,123,327.87
  5. Step 5: Solve for x
    x = 15,123,327.87/4,038.21
  6. Step 6: Final answer
    x = 3,745.06

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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.