Home / 1,252.02-1,739.73-1,238.52

Finding the Fourth Proportional to 1,252.02, 1,739.73 and 1,238.52

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Solution

The fourth proportional to 1,252.02, 1,739.73 and 1,238.52 is: 1,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.02 : 1,739.73 = 1,238.52 : x
  2. Step 2: Convert to fraction form
    1,252.02/1,739.73 = 1,238.52/x
  3. Step 3: Cross multiply
    1,252.02x = 1,739.73 × 1,238.52
  4. Step 4: Simplify right side
    1,252.02x = 2,154,690.40
  5. Step 5: Solve for x
    x = 2,154,690.40/1,252.02
  6. Step 6: Final answer
    x = 1,720.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.