Home / 2,910.80-4,016.84-1,584.51

Finding the Fourth Proportional to 2,910.80, 4,016.84 and 1,584.51

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Solution

The fourth proportional to 2,910.80, 4,016.84 and 1,584.51 is: 2,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.80 : 4,016.84 = 1,584.51 : x
  2. Step 2: Convert to fraction form
    2,910.80/4,016.84 = 1,584.51/x
  3. Step 3: Cross multiply
    2,910.80x = 4,016.84 × 1,584.51
  4. Step 4: Simplify right side
    2,910.80x = 6,364,715.23
  5. Step 5: Solve for x
    x = 6,364,715.23/2,910.80
  6. Step 6: Final answer
    x = 2,186.59

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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.