Home / 3,431.17-5,145.53-1,482.31

Finding the Fourth Proportional to 3,431.17, 5,145.53 and 1,482.31

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Solution

The fourth proportional to 3,431.17, 5,145.53 and 1,482.31 is: 2,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.17 : 5,145.53 = 1,482.31 : x
  2. Step 2: Convert to fraction form
    3,431.17/5,145.53 = 1,482.31/x
  3. Step 3: Cross multiply
    3,431.17x = 5,145.53 × 1,482.31
  4. Step 4: Simplify right side
    3,431.17x = 7,627,261.42
  5. Step 5: Solve for x
    x = 7,627,261.42/3,431.17
  6. Step 6: Final answer
    x = 2,222.93

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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.