Home / 2,966.40-4,092.35-1,786.79

Finding the Fourth Proportional to 2,966.40, 4,092.35 and 1,786.79

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Solution

The fourth proportional to 2,966.40, 4,092.35 and 1,786.79 is: 2,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.40 : 4,092.35 = 1,786.79 : x
  2. Step 2: Convert to fraction form
    2,966.40/4,092.35 = 1,786.79/x
  3. Step 3: Cross multiply
    2,966.40x = 4,092.35 × 1,786.79
  4. Step 4: Simplify right side
    2,966.40x = 7,312,171.35
  5. Step 5: Solve for x
    x = 7,312,171.35/2,966.40
  6. Step 6: Final answer
    x = 2,465.00

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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.