Home / 3,723.57-5,585.34-1,415.07

Finding the Fourth Proportional to 3,723.57, 5,585.34 and 1,415.07

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Solution

The fourth proportional to 3,723.57, 5,585.34 and 1,415.07 is: 2,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.57 : 5,585.34 = 1,415.07 : x
  2. Step 2: Convert to fraction form
    3,723.57/5,585.34 = 1,415.07/x
  3. Step 3: Cross multiply
    3,723.57x = 5,585.34 × 1,415.07
  4. Step 4: Simplify right side
    3,723.57x = 7,903,647.07
  5. Step 5: Solve for x
    x = 7,903,647.07/3,723.57
  6. Step 6: Final answer
    x = 2,122.60

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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.