Home / 3,115.10-4,673.19-1,035.20

Finding the Fourth Proportional to 3,115.10, 4,673.19 and 1,035.20

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Solution

The fourth proportional to 3,115.10, 4,673.19 and 1,035.20 is: 1,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.10 : 4,673.19 = 1,035.20 : x
  2. Step 2: Convert to fraction form
    3,115.10/4,673.19 = 1,035.20/x
  3. Step 3: Cross multiply
    3,115.10x = 4,673.19 × 1,035.20
  4. Step 4: Simplify right side
    3,115.10x = 4,837,686.29
  5. Step 5: Solve for x
    x = 4,837,686.29/3,115.10
  6. Step 6: Final answer
    x = 1,552.98

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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.