Home / 3,729.95-5,590.28-1,880.04

Finding the Fourth Proportional to 3,729.95, 5,590.28 and 1,880.04

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Solution

The fourth proportional to 3,729.95, 5,590.28 and 1,880.04 is: 2,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.95 : 5,590.28 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    3,729.95/5,590.28 = 1,880.04/x
  3. Step 3: Cross multiply
    3,729.95x = 5,590.28 × 1,880.04
  4. Step 4: Simplify right side
    3,729.95x = 10,509,975.67
  5. Step 5: Solve for x
    x = 10,509,975.67/3,729.95
  6. Step 6: Final answer
    x = 2,817.73

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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.