Home / 2,909.67-4,016.16-1,715.35

Finding the Fourth Proportional to 2,909.67, 4,016.16 and 1,715.35

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Solution

The fourth proportional to 2,909.67, 4,016.16 and 1,715.35 is: 2,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.67 : 4,016.16 = 1,715.35 : x
  2. Step 2: Convert to fraction form
    2,909.67/4,016.16 = 1,715.35/x
  3. Step 3: Cross multiply
    2,909.67x = 4,016.16 × 1,715.35
  4. Step 4: Simplify right side
    2,909.67x = 6,889,120.06
  5. Step 5: Solve for x
    x = 6,889,120.06/2,909.67
  6. Step 6: Final answer
    x = 2,367.66

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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.