Home / 3,089.75-4,633.10-1,009.36

Finding the Fourth Proportional to 3,089.75, 4,633.10 and 1,009.36

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Solution

The fourth proportional to 3,089.75, 4,633.10 and 1,009.36 is: 1,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.75 : 4,633.10 = 1,009.36 : x
  2. Step 2: Convert to fraction form
    3,089.75/4,633.10 = 1,009.36/x
  3. Step 3: Cross multiply
    3,089.75x = 4,633.10 × 1,009.36
  4. Step 4: Simplify right side
    3,089.75x = 4,676,470.35
  5. Step 5: Solve for x
    x = 4,676,470.35/3,089.75
  6. Step 6: Final answer
    x = 1,513.55

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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.