Home / 3,110.18-4,661.98-1,029.65

Finding the Fourth Proportional to 3,110.18, 4,661.98 and 1,029.65

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Solution

The fourth proportional to 3,110.18, 4,661.98 and 1,029.65 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.18 : 4,661.98 = 1,029.65 : x
  2. Step 2: Convert to fraction form
    3,110.18/4,661.98 = 1,029.65/x
  3. Step 3: Cross multiply
    3,110.18x = 4,661.98 × 1,029.65
  4. Step 4: Simplify right side
    3,110.18x = 4,800,207.71
  5. Step 5: Solve for x
    x = 4,800,207.71/3,110.18
  6. Step 6: Final answer
    x = 1,543.39

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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.