Home / 2,144.83-3,218.48-1,157.64

Finding the Fourth Proportional to 2,144.83, 3,218.48 and 1,157.64

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Solution

The fourth proportional to 2,144.83, 3,218.48 and 1,157.64 is: 1,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.83 : 3,218.48 = 1,157.64 : x
  2. Step 2: Convert to fraction form
    2,144.83/3,218.48 = 1,157.64/x
  3. Step 3: Cross multiply
    2,144.83x = 3,218.48 × 1,157.64
  4. Step 4: Simplify right side
    2,144.83x = 3,725,841.19
  5. Step 5: Solve for x
    x = 3,725,841.19/2,144.83
  6. Step 6: Final answer
    x = 1,737.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.