Home / 1,724.77-2,380.99-1,016.39

Finding the Fourth Proportional to 1,724.77, 2,380.99 and 1,016.39

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Solution

The fourth proportional to 1,724.77, 2,380.99 and 1,016.39 is: 1,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.77 : 2,380.99 = 1,016.39 : x
  2. Step 2: Convert to fraction form
    1,724.77/2,380.99 = 1,016.39/x
  3. Step 3: Cross multiply
    1,724.77x = 2,380.99 × 1,016.39
  4. Step 4: Simplify right side
    1,724.77x = 2,420,017.84
  5. Step 5: Solve for x
    x = 2,420,017.84/1,724.77
  6. Step 6: Final answer
    x = 1,403.10

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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.