Home / 2,477.35-3,716.61-918.46

Finding the Fourth Proportional to 2,477.35, 3,716.61 and 918.46

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Solution

The fourth proportional to 2,477.35, 3,716.61 and 918.46 is: 1,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.35 : 3,716.61 = 918.46 : x
  2. Step 2: Convert to fraction form
    2,477.35/3,716.61 = 918.46/x
  3. Step 3: Cross multiply
    2,477.35x = 3,716.61 × 918.46
  4. Step 4: Simplify right side
    2,477.35x = 3,413,557.62
  5. Step 5: Solve for x
    x = 3,413,557.62/2,477.35
  6. Step 6: Final answer
    x = 1,377.91

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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.