Home / 1,720.92-2,374.83-1,022.25

Finding the Fourth Proportional to 1,720.92, 2,374.83 and 1,022.25

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Solution

The fourth proportional to 1,720.92, 2,374.83 and 1,022.25 is: 1,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.92 : 2,374.83 = 1,022.25 : x
  2. Step 2: Convert to fraction form
    1,720.92/2,374.83 = 1,022.25/x
  3. Step 3: Cross multiply
    1,720.92x = 2,374.83 × 1,022.25
  4. Step 4: Simplify right side
    1,720.92x = 2,427,669.97
  5. Step 5: Solve for x
    x = 2,427,669.97/1,720.92
  6. Step 6: Final answer
    x = 1,410.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.