Home / 3,811.39-5,715.54-1,470.08

Finding the Fourth Proportional to 3,811.39, 5,715.54 and 1,470.08

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Solution

The fourth proportional to 3,811.39, 5,715.54 and 1,470.08 is: 2,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.39 : 5,715.54 = 1,470.08 : x
  2. Step 2: Convert to fraction form
    3,811.39/5,715.54 = 1,470.08/x
  3. Step 3: Cross multiply
    3,811.39x = 5,715.54 × 1,470.08
  4. Step 4: Simplify right side
    3,811.39x = 8,402,315.33
  5. Step 5: Solve for x
    x = 8,402,315.33/3,811.39
  6. Step 6: Final answer
    x = 2,204.53

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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.