Home / 2,909.61-4,015.25-1,583.31

Finding the Fourth Proportional to 2,909.61, 4,015.25 and 1,583.31

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Solution

The fourth proportional to 2,909.61, 4,015.25 and 1,583.31 is: 2,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.61 : 4,015.25 = 1,583.31 : x
  2. Step 2: Convert to fraction form
    2,909.61/4,015.25 = 1,583.31/x
  3. Step 3: Cross multiply
    2,909.61x = 4,015.25 × 1,583.31
  4. Step 4: Simplify right side
    2,909.61x = 6,357,377.56
  5. Step 5: Solve for x
    x = 6,357,377.56/2,909.61
  6. Step 6: Final answer
    x = 2,184.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.