Home / 2,626.02-3,939.06-1,801.80

Finding the Fourth Proportional to 2,626.02, 3,939.06 and 1,801.80

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Solution

The fourth proportional to 2,626.02, 3,939.06 and 1,801.80 is: 2,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.02 : 3,939.06 = 1,801.80 : x
  2. Step 2: Convert to fraction form
    2,626.02/3,939.06 = 1,801.80/x
  3. Step 3: Cross multiply
    2,626.02x = 3,939.06 × 1,801.80
  4. Step 4: Simplify right side
    2,626.02x = 7,097,398.31
  5. Step 5: Solve for x
    x = 7,097,398.31/2,626.02
  6. Step 6: Final answer
    x = 2,702.72

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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.