Home / 2,888.91-4,333.38-1,157.55

Finding the Fourth Proportional to 2,888.91, 4,333.38 and 1,157.55

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Solution

The fourth proportional to 2,888.91, 4,333.38 and 1,157.55 is: 1,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.91 : 4,333.38 = 1,157.55 : x
  2. Step 2: Convert to fraction form
    2,888.91/4,333.38 = 1,157.55/x
  3. Step 3: Cross multiply
    2,888.91x = 4,333.38 × 1,157.55
  4. Step 4: Simplify right side
    2,888.91x = 5,016,104.02
  5. Step 5: Solve for x
    x = 5,016,104.02/2,888.91
  6. Step 6: Final answer
    x = 1,736.33

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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.