Home / 3,495.18-5,238.48-1,935.12

Finding the Fourth Proportional to 3,495.18, 5,238.48 and 1,935.12

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Solution

The fourth proportional to 3,495.18, 5,238.48 and 1,935.12 is: 2,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.18 : 5,238.48 = 1,935.12 : x
  2. Step 2: Convert to fraction form
    3,495.18/5,238.48 = 1,935.12/x
  3. Step 3: Cross multiply
    3,495.18x = 5,238.48 × 1,935.12
  4. Step 4: Simplify right side
    3,495.18x = 10,137,087.42
  5. Step 5: Solve for x
    x = 10,137,087.42/3,495.18
  6. Step 6: Final answer
    x = 2,900.30

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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.