Home / 3,139.16-4,712.15-2,361.38

Finding the Fourth Proportional to 3,139.16, 4,712.15 and 2,361.38

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Solution

The fourth proportional to 3,139.16, 4,712.15 and 2,361.38 is: 3,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.16 : 4,712.15 = 2,361.38 : x
  2. Step 2: Convert to fraction form
    3,139.16/4,712.15 = 2,361.38/x
  3. Step 3: Cross multiply
    3,139.16x = 4,712.15 × 2,361.38
  4. Step 4: Simplify right side
    3,139.16x = 11,127,176.77
  5. Step 5: Solve for x
    x = 11,127,176.77/3,139.16
  6. Step 6: Final answer
    x = 3,544.64

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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.