Home / 2,318.21-3,477.50-758.18

Finding the Fourth Proportional to 2,318.21, 3,477.50 and 758.18

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Solution

The fourth proportional to 2,318.21, 3,477.50 and 758.18 is: 1,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.21 : 3,477.50 = 758.18 : x
  2. Step 2: Convert to fraction form
    2,318.21/3,477.50 = 758.18/x
  3. Step 3: Cross multiply
    2,318.21x = 3,477.50 × 758.18
  4. Step 4: Simplify right side
    2,318.21x = 2,636,549.77
  5. Step 5: Solve for x
    x = 2,636,549.77/2,318.21
  6. Step 6: Final answer
    x = 1,137.32

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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.