Home / 2,310.14-3,188.36-1,471.21

Finding the Fourth Proportional to 2,310.14, 3,188.36 and 1,471.21

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Solution

The fourth proportional to 2,310.14, 3,188.36 and 1,471.21 is: 2,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.14 : 3,188.36 = 1,471.21 : x
  2. Step 2: Convert to fraction form
    2,310.14/3,188.36 = 1,471.21/x
  3. Step 3: Cross multiply
    2,310.14x = 3,188.36 × 1,471.21
  4. Step 4: Simplify right side
    2,310.14x = 4,690,752.48
  5. Step 5: Solve for x
    x = 4,690,752.48/2,310.14
  6. Step 6: Final answer
    x = 2,030.50

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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.