Home / 1,234.08-1,857.96-1,031.76

Finding the Fourth Proportional to 1,234.08, 1,857.96 and 1,031.76

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Solution

The fourth proportional to 1,234.08, 1,857.96 and 1,031.76 is: 1,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.08 : 1,857.96 = 1,031.76 : x
  2. Step 2: Convert to fraction form
    1,234.08/1,857.96 = 1,031.76/x
  3. Step 3: Cross multiply
    1,234.08x = 1,857.96 × 1,031.76
  4. Step 4: Simplify right side
    1,234.08x = 1,916,968.81
  5. Step 5: Solve for x
    x = 1,916,968.81/1,234.08
  6. Step 6: Final answer
    x = 1,553.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.