Home / 3,369.02-5,052.56-1,287.58

Finding the Fourth Proportional to 3,369.02, 5,052.56 and 1,287.58

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Solution

The fourth proportional to 3,369.02, 5,052.56 and 1,287.58 is: 1,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.02 : 5,052.56 = 1,287.58 : x
  2. Step 2: Convert to fraction form
    3,369.02/5,052.56 = 1,287.58/x
  3. Step 3: Cross multiply
    3,369.02x = 5,052.56 × 1,287.58
  4. Step 4: Simplify right side
    3,369.02x = 6,505,575.20
  5. Step 5: Solve for x
    x = 6,505,575.20/3,369.02
  6. Step 6: Final answer
    x = 1,931.00

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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.