Home / 1,975.79-2,963.69-1,110.71

Finding the Fourth Proportional to 1,975.79, 2,963.69 and 1,110.71

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Solution

The fourth proportional to 1,975.79, 2,963.69 and 1,110.71 is: 1,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.79 : 2,963.69 = 1,110.71 : x
  2. Step 2: Convert to fraction form
    1,975.79/2,963.69 = 1,110.71/x
  3. Step 3: Cross multiply
    1,975.79x = 2,963.69 × 1,110.71
  4. Step 4: Simplify right side
    1,975.79x = 3,291,806.14
  5. Step 5: Solve for x
    x = 3,291,806.14/1,975.79
  6. Step 6: Final answer
    x = 1,666.07

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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.