Home / 1,666.50-2,496.03-1,178.07

Finding the Fourth Proportional to 1,666.50, 2,496.03 and 1,178.07

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Solution

The fourth proportional to 1,666.50, 2,496.03 and 1,178.07 is: 1,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.50 : 2,496.03 = 1,178.07 : x
  2. Step 2: Convert to fraction form
    1,666.50/2,496.03 = 1,178.07/x
  3. Step 3: Cross multiply
    1,666.50x = 2,496.03 × 1,178.07
  4. Step 4: Simplify right side
    1,666.50x = 2,940,498.06
  5. Step 5: Solve for x
    x = 2,940,498.06/1,666.50
  6. Step 6: Final answer
    x = 1,764.48

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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.