Home / 3,431.48-5,146.40-1,482.62

Finding the Fourth Proportional to 3,431.48, 5,146.40 and 1,482.62

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Solution

The fourth proportional to 3,431.48, 5,146.40 and 1,482.62 is: 2,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.48 : 5,146.40 = 1,482.62 : x
  2. Step 2: Convert to fraction form
    3,431.48/5,146.40 = 1,482.62/x
  3. Step 3: Cross multiply
    3,431.48x = 5,146.40 × 1,482.62
  4. Step 4: Simplify right side
    3,431.48x = 7,630,122.42
  5. Step 5: Solve for x
    x = 7,630,122.42/3,431.48
  6. Step 6: Final answer
    x = 2,223.57

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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.