Home / 3,722.02-5,136.45-2,043.40

Finding the Fourth Proportional to 3,722.02, 5,136.45 and 2,043.40

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Solution

The fourth proportional to 3,722.02, 5,136.45 and 2,043.40 is: 2,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.02 : 5,136.45 = 2,043.40 : x
  2. Step 2: Convert to fraction form
    3,722.02/5,136.45 = 2,043.40/x
  3. Step 3: Cross multiply
    3,722.02x = 5,136.45 × 2,043.40
  4. Step 4: Simplify right side
    3,722.02x = 10,495,821.93
  5. Step 5: Solve for x
    x = 10,495,821.93/3,722.02
  6. Step 6: Final answer
    x = 2,819.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.