Home / 3,634.23-5,453.11-1,784.35

Finding the Fourth Proportional to 3,634.23, 5,453.11 and 1,784.35

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Solution

The fourth proportional to 3,634.23, 5,453.11 and 1,784.35 is: 2,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.23 : 5,453.11 = 1,784.35 : x
  2. Step 2: Convert to fraction form
    3,634.23/5,453.11 = 1,784.35/x
  3. Step 3: Cross multiply
    3,634.23x = 5,453.11 × 1,784.35
  4. Step 4: Simplify right side
    3,634.23x = 9,730,225.16
  5. Step 5: Solve for x
    x = 9,730,225.16/3,634.23
  6. Step 6: Final answer
    x = 2,677.38

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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.