Home / 1,724.39-2,379.65-1,016.23

Finding the Fourth Proportional to 1,724.39, 2,379.65 and 1,016.23

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Solution

The fourth proportional to 1,724.39, 2,379.65 and 1,016.23 is: 1,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.39 : 2,379.65 = 1,016.23 : x
  2. Step 2: Convert to fraction form
    1,724.39/2,379.65 = 1,016.23/x
  3. Step 3: Cross multiply
    1,724.39x = 2,379.65 × 1,016.23
  4. Step 4: Simplify right side
    1,724.39x = 2,418,283.76
  5. Step 5: Solve for x
    x = 2,418,283.76/1,724.39
  6. Step 6: Final answer
    x = 1,402.40

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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.