Home / 1,144.08-1,717.47-1,102.77

Finding the Fourth Proportional to 1,144.08, 1,717.47 and 1,102.77

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Solution

The fourth proportional to 1,144.08, 1,717.47 and 1,102.77 is: 1,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.08 : 1,717.47 = 1,102.77 : x
  2. Step 2: Convert to fraction form
    1,144.08/1,717.47 = 1,102.77/x
  3. Step 3: Cross multiply
    1,144.08x = 1,717.47 × 1,102.77
  4. Step 4: Simplify right side
    1,144.08x = 1,893,974.39
  5. Step 5: Solve for x
    x = 1,893,974.39/1,144.08
  6. Step 6: Final answer
    x = 1,655.46

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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.