Home / 3,637.59-5,457.11-1,172.22

Finding the Fourth Proportional to 3,637.59, 5,457.11 and 1,172.22

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Solution

The fourth proportional to 3,637.59, 5,457.11 and 1,172.22 is: 1,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.59 : 5,457.11 = 1,172.22 : x
  2. Step 2: Convert to fraction form
    3,637.59/5,457.11 = 1,172.22/x
  3. Step 3: Cross multiply
    3,637.59x = 5,457.11 × 1,172.22
  4. Step 4: Simplify right side
    3,637.59x = 6,396,927.62
  5. Step 5: Solve for x
    x = 6,396,927.62/3,637.59
  6. Step 6: Final answer
    x = 1,758.56

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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.