Home / 2,998.28-4,495.70-917.73

Finding the Fourth Proportional to 2,998.28, 4,495.70 and 917.73

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Solution

The fourth proportional to 2,998.28, 4,495.70 and 917.73 is: 1,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.28 : 4,495.70 = 917.73 : x
  2. Step 2: Convert to fraction form
    2,998.28/4,495.70 = 917.73/x
  3. Step 3: Cross multiply
    2,998.28x = 4,495.70 × 917.73
  4. Step 4: Simplify right side
    2,998.28x = 4,125,841.06
  5. Step 5: Solve for x
    x = 4,125,841.06/2,998.28
  6. Step 6: Final answer
    x = 1,376.07

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1.5x scale

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.