Home / 3,363.40-5,043.36-1,977.16

Finding the Fourth Proportional to 3,363.40, 5,043.36 and 1,977.16

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Solution

The fourth proportional to 3,363.40, 5,043.36 and 1,977.16 is: 2,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.40 : 5,043.36 = 1,977.16 : x
  2. Step 2: Convert to fraction form
    3,363.40/5,043.36 = 1,977.16/x
  3. Step 3: Cross multiply
    3,363.40x = 5,043.36 × 1,977.16
  4. Step 4: Simplify right side
    3,363.40x = 9,971,529.66
  5. Step 5: Solve for x
    x = 9,971,529.66/3,363.40
  6. Step 6: Final answer
    x = 2,964.72

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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.