Home / 3,812.12-5,715.48-1,470.14

Finding the Fourth Proportional to 3,812.12, 5,715.48 and 1,470.14

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Solution

The fourth proportional to 3,812.12, 5,715.48 and 1,470.14 is: 2,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.12 : 5,715.48 = 1,470.14 : x
  2. Step 2: Convert to fraction form
    3,812.12/5,715.48 = 1,470.14/x
  3. Step 3: Cross multiply
    3,812.12x = 5,715.48 × 1,470.14
  4. Step 4: Simplify right side
    3,812.12x = 8,402,555.77
  5. Step 5: Solve for x
    x = 8,402,555.77/3,812.12
  6. Step 6: Final answer
    x = 2,204.17

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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.