Home / 2,989.14-4,485.51-1,042.71

Finding the Fourth Proportional to 2,989.14, 4,485.51 and 1,042.71

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Solution

The fourth proportional to 2,989.14, 4,485.51 and 1,042.71 is: 1,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.14 : 4,485.51 = 1,042.71 : x
  2. Step 2: Convert to fraction form
    2,989.14/4,485.51 = 1,042.71/x
  3. Step 3: Cross multiply
    2,989.14x = 4,485.51 × 1,042.71
  4. Step 4: Simplify right side
    2,989.14x = 4,677,086.13
  5. Step 5: Solve for x
    x = 4,677,086.13/2,989.14
  6. Step 6: Final answer
    x = 1,564.69

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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.