Home / 3,698.80-5,548.47-1,165.68

Finding the Fourth Proportional to 3,698.80, 5,548.47 and 1,165.68

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Solution

The fourth proportional to 3,698.80, 5,548.47 and 1,165.68 is: 1,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.80 : 5,548.47 = 1,165.68 : x
  2. Step 2: Convert to fraction form
    3,698.80/5,548.47 = 1,165.68/x
  3. Step 3: Cross multiply
    3,698.80x = 5,548.47 × 1,165.68
  4. Step 4: Simplify right side
    3,698.80x = 6,467,740.51
  5. Step 5: Solve for x
    x = 6,467,740.51/3,698.80
  6. Step 6: Final answer
    x = 1,748.61

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1.5x scale

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.