Home / 2,671.23-4,007.70-1,209.99

Finding the Fourth Proportional to 2,671.23, 4,007.70 and 1,209.99

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Solution

The fourth proportional to 2,671.23, 4,007.70 and 1,209.99 is: 1,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.23 : 4,007.70 = 1,209.99 : x
  2. Step 2: Convert to fraction form
    2,671.23/4,007.70 = 1,209.99/x
  3. Step 3: Cross multiply
    2,671.23x = 4,007.70 × 1,209.99
  4. Step 4: Simplify right side
    2,671.23x = 4,849,276.92
  5. Step 5: Solve for x
    x = 4,849,276.92/2,671.23
  6. Step 6: Final answer
    x = 1,815.37

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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.