Home / 2,897.11-4,335.65-1,786.08

Finding the Fourth Proportional to 2,897.11, 4,335.65 and 1,786.08

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Solution

The fourth proportional to 2,897.11, 4,335.65 and 1,786.08 is: 2,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.11 : 4,335.65 = 1,786.08 : x
  2. Step 2: Convert to fraction form
    2,897.11/4,335.65 = 1,786.08/x
  3. Step 3: Cross multiply
    2,897.11x = 4,335.65 × 1,786.08
  4. Step 4: Simplify right side
    2,897.11x = 7,743,817.75
  5. Step 5: Solve for x
    x = 7,743,817.75/2,897.11
  6. Step 6: Final answer
    x = 2,672.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.