Home / 3,605.96-4,976.87-2,280.39

Finding the Fourth Proportional to 3,605.96, 4,976.87 and 2,280.39

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Solution

The fourth proportional to 3,605.96, 4,976.87 and 2,280.39 is: 3,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.96 : 4,976.87 = 2,280.39 : x
  2. Step 2: Convert to fraction form
    3,605.96/4,976.87 = 2,280.39/x
  3. Step 3: Cross multiply
    3,605.96x = 4,976.87 × 2,280.39
  4. Step 4: Simplify right side
    3,605.96x = 11,349,193.18
  5. Step 5: Solve for x
    x = 11,349,193.18/3,605.96
  6. Step 6: Final answer
    x = 3,147.35

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1.5x scale

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.