Home / 3,317.18-4,976.48-1,125.86

Finding the Fourth Proportional to 3,317.18, 4,976.48 and 1,125.86

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Solution

The fourth proportional to 3,317.18, 4,976.48 and 1,125.86 is: 1,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.18 : 4,976.48 = 1,125.86 : x
  2. Step 2: Convert to fraction form
    3,317.18/4,976.48 = 1,125.86/x
  3. Step 3: Cross multiply
    3,317.18x = 4,976.48 × 1,125.86
  4. Step 4: Simplify right side
    3,317.18x = 5,602,819.77
  5. Step 5: Solve for x
    x = 5,602,819.77/3,317.18
  6. Step 6: Final answer
    x = 1,689.03

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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.