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Finding the Fourth Proportional to 3,013.65, 4,502.15 and 1,950.80

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Solution

The fourth proportional to 3,013.65, 4,502.15 and 1,950.80 is: 2,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.65 : 4,502.15 = 1,950.80 : x
  2. Step 2: Convert to fraction form
    3,013.65/4,502.15 = 1,950.80/x
  3. Step 3: Cross multiply
    3,013.65x = 4,502.15 × 1,950.80
  4. Step 4: Simplify right side
    3,013.65x = 8,782,813.59
  5. Step 5: Solve for x
    x = 8,782,813.59/3,013.65
  6. Step 6: Final answer
    x = 2,914.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.