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Finding the Fourth Proportional to 3,527.65, 4,857.05 and 2,685.65

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Solution

The fourth proportional to 3,527.65, 4,857.05 and 2,685.65 is: 3,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.65 : 4,857.05 = 2,685.65 : x
  2. Step 2: Convert to fraction form
    3,527.65/4,857.05 = 2,685.65/x
  3. Step 3: Cross multiply
    3,527.65x = 4,857.05 × 2,685.65
  4. Step 4: Simplify right side
    3,527.65x = 13,044,336.33
  5. Step 5: Solve for x
    x = 13,044,336.33/3,527.65
  6. Step 6: Final answer
    x = 3,697.74

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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.