Home / 2,910.76-4,016.71-1,584.46

Finding the Fourth Proportional to 2,910.76, 4,016.71 and 1,584.46

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Solution

The fourth proportional to 2,910.76, 4,016.71 and 1,584.46 is: 2,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.76 : 4,016.71 = 1,584.46 : x
  2. Step 2: Convert to fraction form
    2,910.76/4,016.71 = 1,584.46/x
  3. Step 3: Cross multiply
    2,910.76x = 4,016.71 × 1,584.46
  4. Step 4: Simplify right side
    2,910.76x = 6,364,302.32
  5. Step 5: Solve for x
    x = 6,364,302.32/2,910.76
  6. Step 6: Final answer
    x = 2,186.48

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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.