Home / 3,318.04-4,977.38-1,237.55

Finding the Fourth Proportional to 3,318.04, 4,977.38 and 1,237.55

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Solution

The fourth proportional to 3,318.04, 4,977.38 and 1,237.55 is: 1,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.04 : 4,977.38 = 1,237.55 : x
  2. Step 2: Convert to fraction form
    3,318.04/4,977.38 = 1,237.55/x
  3. Step 3: Cross multiply
    3,318.04x = 4,977.38 × 1,237.55
  4. Step 4: Simplify right side
    3,318.04x = 6,159,756.62
  5. Step 5: Solve for x
    x = 6,159,756.62/3,318.04
  6. Step 6: Final answer
    x = 1,856.44

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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.