Home / 1,449.32-2,171.04-1,157.31

Finding the Fourth Proportional to 1,449.32, 2,171.04 and 1,157.31

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Solution

The fourth proportional to 1,449.32, 2,171.04 and 1,157.31 is: 1,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.32 : 2,171.04 = 1,157.31 : x
  2. Step 2: Convert to fraction form
    1,449.32/2,171.04 = 1,157.31/x
  3. Step 3: Cross multiply
    1,449.32x = 2,171.04 × 1,157.31
  4. Step 4: Simplify right side
    1,449.32x = 2,512,561.96
  5. Step 5: Solve for x
    x = 2,512,561.96/1,449.32
  6. Step 6: Final answer
    x = 1,733.62

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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.