Home / 3,495.88-5,242.46-1,415.36

Finding the Fourth Proportional to 3,495.88, 5,242.46 and 1,415.36

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Solution

The fourth proportional to 3,495.88, 5,242.46 and 1,415.36 is: 2,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.88 : 5,242.46 = 1,415.36 : x
  2. Step 2: Convert to fraction form
    3,495.88/5,242.46 = 1,415.36/x
  3. Step 3: Cross multiply
    3,495.88x = 5,242.46 × 1,415.36
  4. Step 4: Simplify right side
    3,495.88x = 7,419,968.19
  5. Step 5: Solve for x
    x = 7,419,968.19/3,495.88
  6. Step 6: Final answer
    x = 2,122.49

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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.