Home / 1,490.02-2,234.36-796.55

Finding the Fourth Proportional to 1,490.02, 2,234.36 and 796.55

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Solution

The fourth proportional to 1,490.02, 2,234.36 and 796.55 is: 1,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.02 : 2,234.36 = 796.55 : x
  2. Step 2: Convert to fraction form
    1,490.02/2,234.36 = 796.55/x
  3. Step 3: Cross multiply
    1,490.02x = 2,234.36 × 796.55
  4. Step 4: Simplify right side
    1,490.02x = 1,779,775.48
  5. Step 5: Solve for x
    x = 1,779,775.48/1,490.02
  6. Step 6: Final answer
    x = 1,194.47

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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.