Home / 3,318.04-4,972.96-2,907.98

Finding the Fourth Proportional to 3,318.04, 4,972.96 and 2,907.98

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Solution

The fourth proportional to 3,318.04, 4,972.96 and 2,907.98 is: 4,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.04 : 4,972.96 = 2,907.98 : x
  2. Step 2: Convert to fraction form
    3,318.04/4,972.96 = 2,907.98/x
  3. Step 3: Cross multiply
    3,318.04x = 4,972.96 × 2,907.98
  4. Step 4: Simplify right side
    3,318.04x = 14,461,268.22
  5. Step 5: Solve for x
    x = 14,461,268.22/3,318.04
  6. Step 6: Final answer
    x = 4,358.38

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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.