Home / 2,810.19-3,877.96-1,631.10

Finding the Fourth Proportional to 2,810.19, 3,877.96 and 1,631.10

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Solution

The fourth proportional to 2,810.19, 3,877.96 and 1,631.10 is: 2,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.19 : 3,877.96 = 1,631.10 : x
  2. Step 2: Convert to fraction form
    2,810.19/3,877.96 = 1,631.10/x
  3. Step 3: Cross multiply
    2,810.19x = 3,877.96 × 1,631.10
  4. Step 4: Simplify right side
    2,810.19x = 6,325,340.56
  5. Step 5: Solve for x
    x = 6,325,340.56/2,810.19
  6. Step 6: Final answer
    x = 2,250.86

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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.