Home / 2,835.40-4,251.36-1,102

Finding the Fourth Proportional to 2,835.40, 4,251.36 and 1,102

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Solution

The fourth proportional to 2,835.40, 4,251.36 and 1,102 is: 1,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.40 : 4,251.36 = 1,102 : x
  2. Step 2: Convert to fraction form
    2,835.40/4,251.36 = 1,102/x
  3. Step 3: Cross multiply
    2,835.40x = 4,251.36 × 1,102
  4. Step 4: Simplify right side
    2,835.40x = 4,684,998.72
  5. Step 5: Solve for x
    x = 4,684,998.72/2,835.40
  6. Step 6: Final answer
    x = 1,652.32

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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.