Home / 2,114.18-2,917.51-1,157.05

Finding the Fourth Proportional to 2,114.18, 2,917.51 and 1,157.05

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Solution

The fourth proportional to 2,114.18, 2,917.51 and 1,157.05 is: 1,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.18 : 2,917.51 = 1,157.05 : x
  2. Step 2: Convert to fraction form
    2,114.18/2,917.51 = 1,157.05/x
  3. Step 3: Cross multiply
    2,114.18x = 2,917.51 × 1,157.05
  4. Step 4: Simplify right side
    2,114.18x = 3,375,691.76
  5. Step 5: Solve for x
    x = 3,375,691.76/2,114.18
  6. Step 6: Final answer
    x = 1,596.69

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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.