Home / 3,637.53-5,457.35-1,172.29

Finding the Fourth Proportional to 3,637.53, 5,457.35 and 1,172.29

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Solution

The fourth proportional to 3,637.53, 5,457.35 and 1,172.29 is: 1,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.53 : 5,457.35 = 1,172.29 : x
  2. Step 2: Convert to fraction form
    3,637.53/5,457.35 = 1,172.29/x
  3. Step 3: Cross multiply
    3,637.53x = 5,457.35 × 1,172.29
  4. Step 4: Simplify right side
    3,637.53x = 6,397,596.83
  5. Step 5: Solve for x
    x = 6,397,596.83/3,637.53
  6. Step 6: Final answer
    x = 1,758.78

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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.