Home / 3,631.02-5,445.74-1,780.26

Finding the Fourth Proportional to 3,631.02, 5,445.74 and 1,780.26

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Solution

The fourth proportional to 3,631.02, 5,445.74 and 1,780.26 is: 2,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.02 : 5,445.74 = 1,780.26 : x
  2. Step 2: Convert to fraction form
    3,631.02/5,445.74 = 1,780.26/x
  3. Step 3: Cross multiply
    3,631.02x = 5,445.74 × 1,780.26
  4. Step 4: Simplify right side
    3,631.02x = 9,694,833.09
  5. Step 5: Solve for x
    x = 9,694,833.09/3,631.02
  6. Step 6: Final answer
    x = 2,670.00

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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.