Home / 2,669.02-3,683.10-1,489.85

Finding the Fourth Proportional to 2,669.02, 3,683.10 and 1,489.85

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Solution

The fourth proportional to 2,669.02, 3,683.10 and 1,489.85 is: 2,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.02 : 3,683.10 = 1,489.85 : x
  2. Step 2: Convert to fraction form
    2,669.02/3,683.10 = 1,489.85/x
  3. Step 3: Cross multiply
    2,669.02x = 3,683.10 × 1,489.85
  4. Step 4: Simplify right side
    2,669.02x = 5,487,266.54
  5. Step 5: Solve for x
    x = 5,487,266.54/2,669.02
  6. Step 6: Final answer
    x = 2,055.91

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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.