Home / 3,155.57-4,355.08-1,897.29

Finding the Fourth Proportional to 3,155.57, 4,355.08 and 1,897.29

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Solution

The fourth proportional to 3,155.57, 4,355.08 and 1,897.29 is: 2,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.57 : 4,355.08 = 1,897.29 : x
  2. Step 2: Convert to fraction form
    3,155.57/4,355.08 = 1,897.29/x
  3. Step 3: Cross multiply
    3,155.57x = 4,355.08 × 1,897.29
  4. Step 4: Simplify right side
    3,155.57x = 8,262,855.66
  5. Step 5: Solve for x
    x = 8,262,855.66/3,155.57
  6. Step 6: Final answer
    x = 2,618.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.