Home / 2,017.12-3,025.32-556.38

Finding the Fourth Proportional to 2,017.12, 3,025.32 and 556.38

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Solution

The fourth proportional to 2,017.12, 3,025.32 and 556.38 is: 834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.12 : 3,025.32 = 556.38 : x
  2. Step 2: Convert to fraction form
    2,017.12/3,025.32 = 556.38/x
  3. Step 3: Cross multiply
    2,017.12x = 3,025.32 × 556.38
  4. Step 4: Simplify right side
    2,017.12x = 1,683,224.76
  5. Step 5: Solve for x
    x = 1,683,224.76/2,017.12
  6. Step 6: Final answer
    x = 834.47

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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.