Home / 2,114.16-2,918.52-1,229.64

Finding the Fourth Proportional to 2,114.16, 2,918.52 and 1,229.64

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Solution

The fourth proportional to 2,114.16, 2,918.52 and 1,229.64 is: 1,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.16 : 2,918.52 = 1,229.64 : x
  2. Step 2: Convert to fraction form
    2,114.16/2,918.52 = 1,229.64/x
  3. Step 3: Cross multiply
    2,114.16x = 2,918.52 × 1,229.64
  4. Step 4: Simplify right side
    2,114.16x = 3,588,728.93
  5. Step 5: Solve for x
    x = 3,588,728.93/2,114.16
  6. Step 6: Final answer
    x = 1,697.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.