Home / 1,029.08-1,408.76-1,025.66

Finding the Fourth Proportional to 1,029.08, 1,408.76 and 1,025.66

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Solution

The fourth proportional to 1,029.08, 1,408.76 and 1,025.66 is: 1,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.08 : 1,408.76 = 1,025.66 : x
  2. Step 2: Convert to fraction form
    1,029.08/1,408.76 = 1,025.66/x
  3. Step 3: Cross multiply
    1,029.08x = 1,408.76 × 1,025.66
  4. Step 4: Simplify right side
    1,029.08x = 1,444,908.78
  5. Step 5: Solve for x
    x = 1,444,908.78/1,029.08
  6. Step 6: Final answer
    x = 1,404.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.