Home / 3,880.34-5,821.08-1,282.70

Finding the Fourth Proportional to 3,880.34, 5,821.08 and 1,282.70

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Solution

The fourth proportional to 3,880.34, 5,821.08 and 1,282.70 is: 1,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.34 : 5,821.08 = 1,282.70 : x
  2. Step 2: Convert to fraction form
    3,880.34/5,821.08 = 1,282.70/x
  3. Step 3: Cross multiply
    3,880.34x = 5,821.08 × 1,282.70
  4. Step 4: Simplify right side
    3,880.34x = 7,466,699.32
  5. Step 5: Solve for x
    x = 7,466,699.32/3,880.34
  6. Step 6: Final answer
    x = 1,924.24

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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.