Home / 3,312.59-4,961.31-1,582.43

Finding the Fourth Proportional to 3,312.59, 4,961.31 and 1,582.43

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Solution

The fourth proportional to 3,312.59, 4,961.31 and 1,582.43 is: 2,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.59 : 4,961.31 = 1,582.43 : x
  2. Step 2: Convert to fraction form
    3,312.59/4,961.31 = 1,582.43/x
  3. Step 3: Cross multiply
    3,312.59x = 4,961.31 × 1,582.43
  4. Step 4: Simplify right side
    3,312.59x = 7,850,900.98
  5. Step 5: Solve for x
    x = 7,850,900.98/3,312.59
  6. Step 6: Final answer
    x = 2,370.02

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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.