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Finding the Fourth Proportional to 3,527.69, 4,867.89 and 1,955.65

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Solution

The fourth proportional to 3,527.69, 4,867.89 and 1,955.65 is: 2,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.69 : 4,867.89 = 1,955.65 : x
  2. Step 2: Convert to fraction form
    3,527.69/4,867.89 = 1,955.65/x
  3. Step 3: Cross multiply
    3,527.69x = 4,867.89 × 1,955.65
  4. Step 4: Simplify right side
    3,527.69x = 9,519,879.30
  5. Step 5: Solve for x
    x = 9,519,879.30/3,527.69
  6. Step 6: Final answer
    x = 2,698.62

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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.