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Finding the Fourth Proportional to 3,927.75, 5,887.90 and 1,460.89

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Solution

The fourth proportional to 3,927.75, 5,887.90 and 1,460.89 is: 2,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.75 : 5,887.90 = 1,460.89 : x
  2. Step 2: Convert to fraction form
    3,927.75/5,887.90 = 1,460.89/x
  3. Step 3: Cross multiply
    3,927.75x = 5,887.90 × 1,460.89
  4. Step 4: Simplify right side
    3,927.75x = 8,601,574.23
  5. Step 5: Solve for x
    x = 8,601,574.23/3,927.75
  6. Step 6: Final answer
    x = 2,189.95

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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.