Home / 2,889.13-4,330.52-1,133.61

Finding the Fourth Proportional to 2,889.13, 4,330.52 and 1,133.61

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Solution

The fourth proportional to 2,889.13, 4,330.52 and 1,133.61 is: 1,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.13 : 4,330.52 = 1,133.61 : x
  2. Step 2: Convert to fraction form
    2,889.13/4,330.52 = 1,133.61/x
  3. Step 3: Cross multiply
    2,889.13x = 4,330.52 × 1,133.61
  4. Step 4: Simplify right side
    2,889.13x = 4,909,120.78
  5. Step 5: Solve for x
    x = 4,909,120.78/2,889.13
  6. Step 6: Final answer
    x = 1,699.17

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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.