Home / 2,113.36-2,916.39-1,169.23

Finding the Fourth Proportional to 2,113.36, 2,916.39 and 1,169.23

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Solution

The fourth proportional to 2,113.36, 2,916.39 and 1,169.23 is: 1,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.36 : 2,916.39 = 1,169.23 : x
  2. Step 2: Convert to fraction form
    2,113.36/2,916.39 = 1,169.23/x
  3. Step 3: Cross multiply
    2,113.36x = 2,916.39 × 1,169.23
  4. Step 4: Simplify right side
    2,113.36x = 3,409,930.68
  5. Step 5: Solve for x
    x = 3,409,930.68/2,113.36
  6. Step 6: Final answer
    x = 1,613.51

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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.