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Finding the Fourth Proportional to 3,706.72, 5,561.63 and 1,625.65

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Solution

The fourth proportional to 3,706.72, 5,561.63 and 1,625.65 is: 2,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.72 : 5,561.63 = 1,625.65 : x
  2. Step 2: Convert to fraction form
    3,706.72/5,561.63 = 1,625.65/x
  3. Step 3: Cross multiply
    3,706.72x = 5,561.63 × 1,625.65
  4. Step 4: Simplify right side
    3,706.72x = 9,041,263.81
  5. Step 5: Solve for x
    x = 9,041,263.81/3,706.72
  6. Step 6: Final answer
    x = 2,439.15

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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.