Home / 1,192.37-1,789.38-576.36

Finding the Fourth Proportional to 1,192.37, 1,789.38 and 576.36

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Solution

The fourth proportional to 1,192.37, 1,789.38 and 576.36 is: 864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.37 : 1,789.38 = 576.36 : x
  2. Step 2: Convert to fraction form
    1,192.37/1,789.38 = 576.36/x
  3. Step 3: Cross multiply
    1,192.37x = 1,789.38 × 576.36
  4. Step 4: Simplify right side
    1,192.37x = 1,031,327.06
  5. Step 5: Solve for x
    x = 1,031,327.06/1,192.37
  6. Step 6: Final answer
    x = 864.94

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1.5x scale

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.