Home / 1,341.10-2,011.80-416.44

Finding the Fourth Proportional to 1,341.10, 2,011.80 and 416.44

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Solution

The fourth proportional to 1,341.10, 2,011.80 and 416.44 is: 624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.10 : 2,011.80 = 416.44 : x
  2. Step 2: Convert to fraction form
    1,341.10/2,011.80 = 416.44/x
  3. Step 3: Cross multiply
    1,341.10x = 2,011.80 × 416.44
  4. Step 4: Simplify right side
    1,341.10x = 837,793.99
  5. Step 5: Solve for x
    x = 837,793.99/1,341.10
  6. Step 6: Final answer
    x = 624.71

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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.