Home / 2,652.18-3,977.70-1,008.12

Finding the Fourth Proportional to 2,652.18, 3,977.70 and 1,008.12

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Solution

The fourth proportional to 2,652.18, 3,977.70 and 1,008.12 is: 1,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.18 : 3,977.70 = 1,008.12 : x
  2. Step 2: Convert to fraction form
    2,652.18/3,977.70 = 1,008.12/x
  3. Step 3: Cross multiply
    2,652.18x = 3,977.70 × 1,008.12
  4. Step 4: Simplify right side
    2,652.18x = 4,009,998.92
  5. Step 5: Solve for x
    x = 4,009,998.92/2,652.18
  6. Step 6: Final answer
    x = 1,511.96

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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.