Home / 2,318.10-3,477.53-1,148.15

Finding the Fourth Proportional to 2,318.10, 3,477.53 and 1,148.15

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Solution

The fourth proportional to 2,318.10, 3,477.53 and 1,148.15 is: 1,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.10 : 3,477.53 = 1,148.15 : x
  2. Step 2: Convert to fraction form
    2,318.10/3,477.53 = 1,148.15/x
  3. Step 3: Cross multiply
    2,318.10x = 3,477.53 × 1,148.15
  4. Step 4: Simplify right side
    2,318.10x = 3,992,737.63
  5. Step 5: Solve for x
    x = 3,992,737.63/2,318.10
  6. Step 6: Final answer
    x = 1,722.42

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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.