Home / 2,927.57-4,381.80-1,591.35

Finding the Fourth Proportional to 2,927.57, 4,381.80 and 1,591.35

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Solution

The fourth proportional to 2,927.57, 4,381.80 and 1,591.35 is: 2,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.57 : 4,381.80 = 1,591.35 : x
  2. Step 2: Convert to fraction form
    2,927.57/4,381.80 = 1,591.35/x
  3. Step 3: Cross multiply
    2,927.57x = 4,381.80 × 1,591.35
  4. Step 4: Simplify right side
    2,927.57x = 6,972,977.43
  5. Step 5: Solve for x
    x = 6,972,977.43/2,927.57
  6. Step 6: Final answer
    x = 2,381.84

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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.