Home / 1,715.60-2,367.36-1,016.88

Finding the Fourth Proportional to 1,715.60, 2,367.36 and 1,016.88

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Solution

The fourth proportional to 1,715.60, 2,367.36 and 1,016.88 is: 1,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.60 : 2,367.36 = 1,016.88 : x
  2. Step 2: Convert to fraction form
    1,715.60/2,367.36 = 1,016.88/x
  3. Step 3: Cross multiply
    1,715.60x = 2,367.36 × 1,016.88
  4. Step 4: Simplify right side
    1,715.60x = 2,407,321.04
  5. Step 5: Solve for x
    x = 2,407,321.04/1,715.60
  6. Step 6: Final answer
    x = 1,403.19

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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.