Home / 2,724.39-3,760.56-1,605.65

Finding the Fourth Proportional to 2,724.39, 3,760.56 and 1,605.65

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Solution

The fourth proportional to 2,724.39, 3,760.56 and 1,605.65 is: 2,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.39 : 3,760.56 = 1,605.65 : x
  2. Step 2: Convert to fraction form
    2,724.39/3,760.56 = 1,605.65/x
  3. Step 3: Cross multiply
    2,724.39x = 3,760.56 × 1,605.65
  4. Step 4: Simplify right side
    2,724.39x = 6,038,124.36
  5. Step 5: Solve for x
    x = 6,038,124.36/2,724.39
  6. Step 6: Final answer
    x = 2,216.32

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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.