Home / 2,480.02-3,720.03-1,855.96

Finding the Fourth Proportional to 2,480.02, 3,720.03 and 1,855.96

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Solution

The fourth proportional to 2,480.02, 3,720.03 and 1,855.96 is: 2,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.02 : 3,720.03 = 1,855.96 : x
  2. Step 2: Convert to fraction form
    2,480.02/3,720.03 = 1,855.96/x
  3. Step 3: Cross multiply
    2,480.02x = 3,720.03 × 1,855.96
  4. Step 4: Simplify right side
    2,480.02x = 6,904,217.60
  5. Step 5: Solve for x
    x = 6,904,217.60/2,480.02
  6. Step 6: Final answer
    x = 2,783.94

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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.