Home / 2,918.20-4,376.01-837.73

Finding the Fourth Proportional to 2,918.20, 4,376.01 and 837.73

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Solution

The fourth proportional to 2,918.20, 4,376.01 and 837.73 is: 1,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.20 : 4,376.01 = 837.73 : x
  2. Step 2: Convert to fraction form
    2,918.20/4,376.01 = 837.73/x
  3. Step 3: Cross multiply
    2,918.20x = 4,376.01 × 837.73
  4. Step 4: Simplify right side
    2,918.20x = 3,665,914.86
  5. Step 5: Solve for x
    x = 3,665,914.86/2,918.20
  6. Step 6: Final answer
    x = 1,256.22

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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.