Home / 2,991.30-4,482.82-1,527.36

Finding the Fourth Proportional to 2,991.30, 4,482.82 and 1,527.36

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Solution

The fourth proportional to 2,991.30, 4,482.82 and 1,527.36 is: 2,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.30 : 4,482.82 = 1,527.36 : x
  2. Step 2: Convert to fraction form
    2,991.30/4,482.82 = 1,527.36/x
  3. Step 3: Cross multiply
    2,991.30x = 4,482.82 × 1,527.36
  4. Step 4: Simplify right side
    2,991.30x = 6,846,879.96
  5. Step 5: Solve for x
    x = 6,846,879.96/2,991.30
  6. Step 6: Final answer
    x = 2,288.93

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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.