Home / 2,966.56-4,093.81-1,640.35

Finding the Fourth Proportional to 2,966.56, 4,093.81 and 1,640.35

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Solution

The fourth proportional to 2,966.56, 4,093.81 and 1,640.35 is: 2,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.56 : 4,093.81 = 1,640.35 : x
  2. Step 2: Convert to fraction form
    2,966.56/4,093.81 = 1,640.35/x
  3. Step 3: Cross multiply
    2,966.56x = 4,093.81 × 1,640.35
  4. Step 4: Simplify right side
    2,966.56x = 6,715,281.23
  5. Step 5: Solve for x
    x = 6,715,281.23/2,966.56
  6. Step 6: Final answer
    x = 2,263.66

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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.