Home / 3,637.38-5,457.42-1,904.79

Finding the Fourth Proportional to 3,637.38, 5,457.42 and 1,904.79

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Solution

The fourth proportional to 3,637.38, 5,457.42 and 1,904.79 is: 2,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.38 : 5,457.42 = 1,904.79 : x
  2. Step 2: Convert to fraction form
    3,637.38/5,457.42 = 1,904.79/x
  3. Step 3: Cross multiply
    3,637.38x = 5,457.42 × 1,904.79
  4. Step 4: Simplify right side
    3,637.38x = 10,395,239.04
  5. Step 5: Solve for x
    x = 10,395,239.04/3,637.38
  6. Step 6: Final answer
    x = 2,857.89

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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.