Home / 2,910.65-4,016.69-1,584.35

Finding the Fourth Proportional to 2,910.65, 4,016.69 and 1,584.35

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Solution

The fourth proportional to 2,910.65, 4,016.69 and 1,584.35 is: 2,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.65 : 4,016.69 = 1,584.35 : x
  2. Step 2: Convert to fraction form
    2,910.65/4,016.69 = 1,584.35/x
  3. Step 3: Cross multiply
    2,910.65x = 4,016.69 × 1,584.35
  4. Step 4: Simplify right side
    2,910.65x = 6,363,856.80
  5. Step 5: Solve for x
    x = 6,363,856.80/2,910.65
  6. Step 6: Final answer
    x = 2,186.41

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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.