Home / 3,312.48-4,965.12-1,119.36

Finding the Fourth Proportional to 3,312.48, 4,965.12 and 1,119.36

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Solution

The fourth proportional to 3,312.48, 4,965.12 and 1,119.36 is: 1,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.48 : 4,965.12 = 1,119.36 : x
  2. Step 2: Convert to fraction form
    3,312.48/4,965.12 = 1,119.36/x
  3. Step 3: Cross multiply
    3,312.48x = 4,965.12 × 1,119.36
  4. Step 4: Simplify right side
    3,312.48x = 5,557,756.72
  5. Step 5: Solve for x
    x = 5,557,756.72/3,312.48
  6. Step 6: Final answer
    x = 1,677.82

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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.