Home / 2,483.60-3,721.35-2,135.30

Finding the Fourth Proportional to 2,483.60, 3,721.35 and 2,135.30

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Solution

The fourth proportional to 2,483.60, 3,721.35 and 2,135.30 is: 3,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.60 : 3,721.35 = 2,135.30 : x
  2. Step 2: Convert to fraction form
    2,483.60/3,721.35 = 2,135.30/x
  3. Step 3: Cross multiply
    2,483.60x = 3,721.35 × 2,135.30
  4. Step 4: Simplify right side
    2,483.60x = 7,946,198.66
  5. Step 5: Solve for x
    x = 7,946,198.66/2,483.60
  6. Step 6: Final answer
    x = 3,199.47

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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.