Home / 1,371.89-2,057.85-1,097.63

Finding the Fourth Proportional to 1,371.89, 2,057.85 and 1,097.63

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Solution

The fourth proportional to 1,371.89, 2,057.85 and 1,097.63 is: 1,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.89 : 2,057.85 = 1,097.63 : x
  2. Step 2: Convert to fraction form
    1,371.89/2,057.85 = 1,097.63/x
  3. Step 3: Cross multiply
    1,371.89x = 2,057.85 × 1,097.63
  4. Step 4: Simplify right side
    1,371.89x = 2,258,757.90
  5. Step 5: Solve for x
    x = 2,258,757.90/1,371.89
  6. Step 6: Final answer
    x = 1,646.46

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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.