Home / 3,642.58-5,456.10-2,666.50

Finding the Fourth Proportional to 3,642.58, 5,456.10 and 2,666.50

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Solution

The fourth proportional to 3,642.58, 5,456.10 and 2,666.50 is: 3,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.58 : 5,456.10 = 2,666.50 : x
  2. Step 2: Convert to fraction form
    3,642.58/5,456.10 = 2,666.50/x
  3. Step 3: Cross multiply
    3,642.58x = 5,456.10 × 2,666.50
  4. Step 4: Simplify right side
    3,642.58x = 14,548,690.65
  5. Step 5: Solve for x
    x = 14,548,690.65/3,642.58
  6. Step 6: Final answer
    x = 3,994.06

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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.