Home / 2,079.02-3,118.50-519.03

Finding the Fourth Proportional to 2,079.02, 3,118.50 and 519.03

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Solution

The fourth proportional to 2,079.02, 3,118.50 and 519.03 is: 778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.02 : 3,118.50 = 519.03 : x
  2. Step 2: Convert to fraction form
    2,079.02/3,118.50 = 519.03/x
  3. Step 3: Cross multiply
    2,079.02x = 3,118.50 × 519.03
  4. Step 4: Simplify right side
    2,079.02x = 1,618,595.06
  5. Step 5: Solve for x
    x = 1,618,595.06/2,079.02
  6. Step 6: Final answer
    x = 778.54

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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.