Home / 3,651.55-5,473.38-1,457.87

Finding the Fourth Proportional to 3,651.55, 5,473.38 and 1,457.87

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Solution

The fourth proportional to 3,651.55, 5,473.38 and 1,457.87 is: 2,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.55 : 5,473.38 = 1,457.87 : x
  2. Step 2: Convert to fraction form
    3,651.55/5,473.38 = 1,457.87/x
  3. Step 3: Cross multiply
    3,651.55x = 5,473.38 × 1,457.87
  4. Step 4: Simplify right side
    3,651.55x = 7,979,452.56
  5. Step 5: Solve for x
    x = 7,979,452.56/3,651.55
  6. Step 6: Final answer
    x = 2,185.22

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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.