Home / 1,529.08-2,110.26-1,279.96

Finding the Fourth Proportional to 1,529.08, 2,110.26 and 1,279.96

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Solution

The fourth proportional to 1,529.08, 2,110.26 and 1,279.96 is: 1,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.08 : 2,110.26 = 1,279.96 : x
  2. Step 2: Convert to fraction form
    1,529.08/2,110.26 = 1,279.96/x
  3. Step 3: Cross multiply
    1,529.08x = 2,110.26 × 1,279.96
  4. Step 4: Simplify right side
    1,529.08x = 2,701,048.39
  5. Step 5: Solve for x
    x = 2,701,048.39/1,529.08
  6. Step 6: Final answer
    x = 1,766.45

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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.