Home / 3,287.04-4,927.20-1,557.12

Finding the Fourth Proportional to 3,287.04, 4,927.20 and 1,557.12

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Solution

The fourth proportional to 3,287.04, 4,927.20 and 1,557.12 is: 2,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.04 : 4,927.20 = 1,557.12 : x
  2. Step 2: Convert to fraction form
    3,287.04/4,927.20 = 1,557.12/x
  3. Step 3: Cross multiply
    3,287.04x = 4,927.20 × 1,557.12
  4. Step 4: Simplify right side
    3,287.04x = 7,672,241.66
  5. Step 5: Solve for x
    x = 7,672,241.66/3,287.04
  6. Step 6: Final answer
    x = 2,334.09

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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.