Home / 2,047.12-2,822.50-1,731.84

Finding the Fourth Proportional to 2,047.12, 2,822.50 and 1,731.84

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Solution

The fourth proportional to 2,047.12, 2,822.50 and 1,731.84 is: 2,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.12 : 2,822.50 = 1,731.84 : x
  2. Step 2: Convert to fraction form
    2,047.12/2,822.50 = 1,731.84/x
  3. Step 3: Cross multiply
    2,047.12x = 2,822.50 × 1,731.84
  4. Step 4: Simplify right side
    2,047.12x = 4,888,118.40
  5. Step 5: Solve for x
    x = 4,888,118.40/2,047.12
  6. Step 6: Final answer
    x = 2,387.80

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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.