Home / 3,115.63-4,674.16-1,035.47

Finding the Fourth Proportional to 3,115.63, 4,674.16 and 1,035.47

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Solution

The fourth proportional to 3,115.63, 4,674.16 and 1,035.47 is: 1,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.63 : 4,674.16 = 1,035.47 : x
  2. Step 2: Convert to fraction form
    3,115.63/4,674.16 = 1,035.47/x
  3. Step 3: Cross multiply
    3,115.63x = 4,674.16 × 1,035.47
  4. Step 4: Simplify right side
    3,115.63x = 4,839,933.32
  5. Step 5: Solve for x
    x = 4,839,933.32/3,115.63
  6. Step 6: Final answer
    x = 1,553.44

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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.