Home / 3,682.18-5,522.53-1,807.28

Finding the Fourth Proportional to 3,682.18, 5,522.53 and 1,807.28

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Solution

The fourth proportional to 3,682.18, 5,522.53 and 1,807.28 is: 2,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.18 : 5,522.53 = 1,807.28 : x
  2. Step 2: Convert to fraction form
    3,682.18/5,522.53 = 1,807.28/x
  3. Step 3: Cross multiply
    3,682.18x = 5,522.53 × 1,807.28
  4. Step 4: Simplify right side
    3,682.18x = 9,980,758.02
  5. Step 5: Solve for x
    x = 9,980,758.02/3,682.18
  6. Step 6: Final answer
    x = 2,710.56

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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.