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Finding the Fourth Proportional to 3,693.06, 5,541.23 and 1,937.65

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Solution

The fourth proportional to 3,693.06, 5,541.23 and 1,937.65 is: 2,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.06 : 5,541.23 = 1,937.65 : x
  2. Step 2: Convert to fraction form
    3,693.06/5,541.23 = 1,937.65/x
  3. Step 3: Cross multiply
    3,693.06x = 5,541.23 × 1,937.65
  4. Step 4: Simplify right side
    3,693.06x = 10,736,964.31
  5. Step 5: Solve for x
    x = 10,736,964.31/3,693.06
  6. Step 6: Final answer
    x = 2,907.34

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1.5x scale

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.