Home / 1,966.30-2,946.03-1,641.22

Finding the Fourth Proportional to 1,966.30, 2,946.03 and 1,641.22

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Solution

The fourth proportional to 1,966.30, 2,946.03 and 1,641.22 is: 2,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.30 : 2,946.03 = 1,641.22 : x
  2. Step 2: Convert to fraction form
    1,966.30/2,946.03 = 1,641.22/x
  3. Step 3: Cross multiply
    1,966.30x = 2,946.03 × 1,641.22
  4. Step 4: Simplify right side
    1,966.30x = 4,835,083.36
  5. Step 5: Solve for x
    x = 4,835,083.36/1,966.30
  6. Step 6: Final answer
    x = 2,458.98

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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.