Home / 2,855.31-4,281.34-1,701.87

Finding the Fourth Proportional to 2,855.31, 4,281.34 and 1,701.87

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Solution

The fourth proportional to 2,855.31, 4,281.34 and 1,701.87 is: 2,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.31 : 4,281.34 = 1,701.87 : x
  2. Step 2: Convert to fraction form
    2,855.31/4,281.34 = 1,701.87/x
  3. Step 3: Cross multiply
    2,855.31x = 4,281.34 × 1,701.87
  4. Step 4: Simplify right side
    2,855.31x = 7,286,284.11
  5. Step 5: Solve for x
    x = 7,286,284.11/2,855.31
  6. Step 6: Final answer
    x = 2,551.84

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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.