Home / 3,149.69-4,346.31-1,823.13

Finding the Fourth Proportional to 3,149.69, 4,346.31 and 1,823.13

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Solution

The fourth proportional to 3,149.69, 4,346.31 and 1,823.13 is: 2,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.69 : 4,346.31 = 1,823.13 : x
  2. Step 2: Convert to fraction form
    3,149.69/4,346.31 = 1,823.13/x
  3. Step 3: Cross multiply
    3,149.69x = 4,346.31 × 1,823.13
  4. Step 4: Simplify right side
    3,149.69x = 7,923,888.15
  5. Step 5: Solve for x
    x = 7,923,888.15/3,149.69
  6. Step 6: Final answer
    x = 2,515.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.