Home / 2,114.71-2,918.29-1,170.56

Finding the Fourth Proportional to 2,114.71, 2,918.29 and 1,170.56

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Solution

The fourth proportional to 2,114.71, 2,918.29 and 1,170.56 is: 1,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.71 : 2,918.29 = 1,170.56 : x
  2. Step 2: Convert to fraction form
    2,114.71/2,918.29 = 1,170.56/x
  3. Step 3: Cross multiply
    2,114.71x = 2,918.29 × 1,170.56
  4. Step 4: Simplify right side
    2,114.71x = 3,416,033.54
  5. Step 5: Solve for x
    x = 3,416,033.54/2,114.71
  6. Step 6: Final answer
    x = 1,615.37

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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.