Home / 3,065.95-4,231.04-1,668.70

Finding the Fourth Proportional to 3,065.95, 4,231.04 and 1,668.70

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Solution

The fourth proportional to 3,065.95, 4,231.04 and 1,668.70 is: 2,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.95 : 4,231.04 = 1,668.70 : x
  2. Step 2: Convert to fraction form
    3,065.95/4,231.04 = 1,668.70/x
  3. Step 3: Cross multiply
    3,065.95x = 4,231.04 × 1,668.70
  4. Step 4: Simplify right side
    3,065.95x = 7,060,333.39
  5. Step 5: Solve for x
    x = 7,060,333.39/3,065.95
  6. Step 6: Final answer
    x = 2,302.82

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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.