Home / 1,927.40-2,887.92-1,731.24

Finding the Fourth Proportional to 1,927.40, 2,887.92 and 1,731.24

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Solution

The fourth proportional to 1,927.40, 2,887.92 and 1,731.24 is: 2,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.40 : 2,887.92 = 1,731.24 : x
  2. Step 2: Convert to fraction form
    1,927.40/2,887.92 = 1,731.24/x
  3. Step 3: Cross multiply
    1,927.40x = 2,887.92 × 1,731.24
  4. Step 4: Simplify right side
    1,927.40x = 4,999,682.62
  5. Step 5: Solve for x
    x = 4,999,682.62/1,927.40
  6. Step 6: Final answer
    x = 2,594.01

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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.