Home / 3,101.31-4,653.14-1,436.25

Finding the Fourth Proportional to 3,101.31, 4,653.14 and 1,436.25

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Solution

The fourth proportional to 3,101.31, 4,653.14 and 1,436.25 is: 2,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.31 : 4,653.14 = 1,436.25 : x
  2. Step 2: Convert to fraction form
    3,101.31/4,653.14 = 1,436.25/x
  3. Step 3: Cross multiply
    3,101.31x = 4,653.14 × 1,436.25
  4. Step 4: Simplify right side
    3,101.31x = 6,683,065.14
  5. Step 5: Solve for x
    x = 6,683,065.14/3,101.31
  6. Step 6: Final answer
    x = 2,154.92

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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.