Home / 2,913.13-4,365.86-1,180.81

Finding the Fourth Proportional to 2,913.13, 4,365.86 and 1,180.81

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Solution

The fourth proportional to 2,913.13, 4,365.86 and 1,180.81 is: 1,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.13 : 4,365.86 = 1,180.81 : x
  2. Step 2: Convert to fraction form
    2,913.13/4,365.86 = 1,180.81/x
  3. Step 3: Cross multiply
    2,913.13x = 4,365.86 × 1,180.81
  4. Step 4: Simplify right side
    2,913.13x = 5,155,245.24
  5. Step 5: Solve for x
    x = 5,155,245.24/2,913.13
  6. Step 6: Final answer
    x = 1,769.66

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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.