Home / 1,453.61-2,180.43-1,371.60

Finding the Fourth Proportional to 1,453.61, 2,180.43 and 1,371.60

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Solution

The fourth proportional to 1,453.61, 2,180.43 and 1,371.60 is: 2,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.61 : 2,180.43 = 1,371.60 : x
  2. Step 2: Convert to fraction form
    1,453.61/2,180.43 = 1,371.60/x
  3. Step 3: Cross multiply
    1,453.61x = 2,180.43 × 1,371.60
  4. Step 4: Simplify right side
    1,453.61x = 2,990,677.79
  5. Step 5: Solve for x
    x = 2,990,677.79/1,453.61
  6. Step 6: Final answer
    x = 2,057.41

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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.