Home / 3,018.26-4,517.67-1,555.40

Finding the Fourth Proportional to 3,018.26, 4,517.67 and 1,555.40

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Solution

The fourth proportional to 3,018.26, 4,517.67 and 1,555.40 is: 2,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.26 : 4,517.67 = 1,555.40 : x
  2. Step 2: Convert to fraction form
    3,018.26/4,517.67 = 1,555.40/x
  3. Step 3: Cross multiply
    3,018.26x = 4,517.67 × 1,555.40
  4. Step 4: Simplify right side
    3,018.26x = 7,026,801.04
  5. Step 5: Solve for x
    x = 7,026,801.04/3,018.26
  6. Step 6: Final answer
    x = 2,328.09

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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.