Home / 2,989.14-4,486.02-1,141.56

Finding the Fourth Proportional to 2,989.14, 4,486.02 and 1,141.56

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Solution

The fourth proportional to 2,989.14, 4,486.02 and 1,141.56 is: 1,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.14 : 4,486.02 = 1,141.56 : x
  2. Step 2: Convert to fraction form
    2,989.14/4,486.02 = 1,141.56/x
  3. Step 3: Cross multiply
    2,989.14x = 4,486.02 × 1,141.56
  4. Step 4: Simplify right side
    2,989.14x = 5,121,060.99
  5. Step 5: Solve for x
    x = 5,121,060.99/2,989.14
  6. Step 6: Final answer
    x = 1,713.22

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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.