Home / 2,652.30-3,970.28-1,910.75

Finding the Fourth Proportional to 2,652.30, 3,970.28 and 1,910.75

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Solution

The fourth proportional to 2,652.30, 3,970.28 and 1,910.75 is: 2,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.30 : 3,970.28 = 1,910.75 : x
  2. Step 2: Convert to fraction form
    2,652.30/3,970.28 = 1,910.75/x
  3. Step 3: Cross multiply
    2,652.30x = 3,970.28 × 1,910.75
  4. Step 4: Simplify right side
    2,652.30x = 7,586,192.66
  5. Step 5: Solve for x
    x = 7,586,192.66/2,652.30
  6. Step 6: Final answer
    x = 2,860.23

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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.