Home / 2,887.03-4,330.55-1,155.25

Finding the Fourth Proportional to 2,887.03, 4,330.55 and 1,155.25

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Solution

The fourth proportional to 2,887.03, 4,330.55 and 1,155.25 is: 1,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.03 : 4,330.55 = 1,155.25 : x
  2. Step 2: Convert to fraction form
    2,887.03/4,330.55 = 1,155.25/x
  3. Step 3: Cross multiply
    2,887.03x = 4,330.55 × 1,155.25
  4. Step 4: Simplify right side
    2,887.03x = 5,002,867.89
  5. Step 5: Solve for x
    x = 5,002,867.89/2,887.03
  6. Step 6: Final answer
    x = 1,732.88

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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.