Home / 1,666.37-2,498.65-936.77

Finding the Fourth Proportional to 1,666.37, 2,498.65 and 936.77

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Solution

The fourth proportional to 1,666.37, 2,498.65 and 936.77 is: 1,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.37 : 2,498.65 = 936.77 : x
  2. Step 2: Convert to fraction form
    1,666.37/2,498.65 = 936.77/x
  3. Step 3: Cross multiply
    1,666.37x = 2,498.65 × 936.77
  4. Step 4: Simplify right side
    1,666.37x = 2,340,645.53
  5. Step 5: Solve for x
    x = 2,340,645.53/1,666.37
  6. Step 6: Final answer
    x = 1,404.64

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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.