Home / 2,910.95-4,017.02-1,584.64

Finding the Fourth Proportional to 2,910.95, 4,017.02 and 1,584.64

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Solution

The fourth proportional to 2,910.95, 4,017.02 and 1,584.64 is: 2,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.95 : 4,017.02 = 1,584.64 : x
  2. Step 2: Convert to fraction form
    2,910.95/4,017.02 = 1,584.64/x
  3. Step 3: Cross multiply
    2,910.95x = 4,017.02 × 1,584.64
  4. Step 4: Simplify right side
    2,910.95x = 6,365,546.25
  5. Step 5: Solve for x
    x = 6,365,546.25/2,910.95
  6. Step 6: Final answer
    x = 2,186.76

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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.