Home / 2,114.64-2,918.49-1,611.16

Finding the Fourth Proportional to 2,114.64, 2,918.49 and 1,611.16

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Solution

The fourth proportional to 2,114.64, 2,918.49 and 1,611.16 is: 2,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.64 : 2,918.49 = 1,611.16 : x
  2. Step 2: Convert to fraction form
    2,114.64/2,918.49 = 1,611.16/x
  3. Step 3: Cross multiply
    2,114.64x = 2,918.49 × 1,611.16
  4. Step 4: Simplify right side
    2,114.64x = 4,702,160.56
  5. Step 5: Solve for x
    x = 4,702,160.56/2,114.64
  6. Step 6: Final answer
    x = 2,223.62

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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.