Home / 2,476.90-3,715.48-1,380.44

Finding the Fourth Proportional to 2,476.90, 3,715.48 and 1,380.44

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Solution

The fourth proportional to 2,476.90, 3,715.48 and 1,380.44 is: 2,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.90 : 3,715.48 = 1,380.44 : x
  2. Step 2: Convert to fraction form
    2,476.90/3,715.48 = 1,380.44/x
  3. Step 3: Cross multiply
    2,476.90x = 3,715.48 × 1,380.44
  4. Step 4: Simplify right side
    2,476.90x = 5,128,997.21
  5. Step 5: Solve for x
    x = 5,128,997.21/2,476.90
  6. Step 6: Final answer
    x = 2,070.73

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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.