Home / 2,288.16-3,157.14-1,491.39

Finding the Fourth Proportional to 2,288.16, 3,157.14 and 1,491.39

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Solution

The fourth proportional to 2,288.16, 3,157.14 and 1,491.39 is: 2,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.16 : 3,157.14 = 1,491.39 : x
  2. Step 2: Convert to fraction form
    2,288.16/3,157.14 = 1,491.39/x
  3. Step 3: Cross multiply
    2,288.16x = 3,157.14 × 1,491.39
  4. Step 4: Simplify right side
    2,288.16x = 4,708,527.02
  5. Step 5: Solve for x
    x = 4,708,527.02/2,288.16
  6. Step 6: Final answer
    x = 2,057.78

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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.