Home / 3,622.98-5,437.23-2,389.98

Finding the Fourth Proportional to 3,622.98, 5,437.23 and 2,389.98

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Solution

The fourth proportional to 3,622.98, 5,437.23 and 2,389.98 is: 3,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.98 : 5,437.23 = 2,389.98 : x
  2. Step 2: Convert to fraction form
    3,622.98/5,437.23 = 2,389.98/x
  3. Step 3: Cross multiply
    3,622.98x = 5,437.23 × 2,389.98
  4. Step 4: Simplify right side
    3,622.98x = 12,994,870.96
  5. Step 5: Solve for x
    x = 12,994,870.96/3,622.98
  6. Step 6: Final answer
    x = 3,586.79

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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.