Home / 1,736.24-2,393.12-1,231.44

Finding the Fourth Proportional to 1,736.24, 2,393.12 and 1,231.44

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Solution

The fourth proportional to 1,736.24, 2,393.12 and 1,231.44 is: 1,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.24 : 2,393.12 = 1,231.44 : x
  2. Step 2: Convert to fraction form
    1,736.24/2,393.12 = 1,231.44/x
  3. Step 3: Cross multiply
    1,736.24x = 2,393.12 × 1,231.44
  4. Step 4: Simplify right side
    1,736.24x = 2,946,983.69
  5. Step 5: Solve for x
    x = 2,946,983.69/1,736.24
  6. Step 6: Final answer
    x = 1,697.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.