Home / 2,043.02-3,069.93-1,911.80

Finding the Fourth Proportional to 2,043.02, 3,069.93 and 1,911.80

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Solution

The fourth proportional to 2,043.02, 3,069.93 and 1,911.80 is: 2,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.02 : 3,069.93 = 1,911.80 : x
  2. Step 2: Convert to fraction form
    2,043.02/3,069.93 = 1,911.80/x
  3. Step 3: Cross multiply
    2,043.02x = 3,069.93 × 1,911.80
  4. Step 4: Simplify right side
    2,043.02x = 5,869,092.17
  5. Step 5: Solve for x
    x = 5,869,092.17/2,043.02
  6. Step 6: Final answer
    x = 2,872.75

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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.