Home / 2,887.03-4,330.95-1,131.73

Finding the Fourth Proportional to 2,887.03, 4,330.95 and 1,131.73

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Solution

The fourth proportional to 2,887.03, 4,330.95 and 1,131.73 is: 1,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.03 : 4,330.95 = 1,131.73 : x
  2. Step 2: Convert to fraction form
    2,887.03/4,330.95 = 1,131.73/x
  3. Step 3: Cross multiply
    2,887.03x = 4,330.95 × 1,131.73
  4. Step 4: Simplify right side
    2,887.03x = 4,901,466.04
  5. Step 5: Solve for x
    x = 4,901,466.04/2,887.03
  6. Step 6: Final answer
    x = 1,697.75

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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.