Home / 3,020.61-4,168.63-1,694.40

Finding the Fourth Proportional to 3,020.61, 4,168.63 and 1,694.40

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Solution

The fourth proportional to 3,020.61, 4,168.63 and 1,694.40 is: 2,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.61 : 4,168.63 = 1,694.40 : x
  2. Step 2: Convert to fraction form
    3,020.61/4,168.63 = 1,694.40/x
  3. Step 3: Cross multiply
    3,020.61x = 4,168.63 × 1,694.40
  4. Step 4: Simplify right side
    3,020.61x = 7,063,330.91
  5. Step 5: Solve for x
    x = 7,063,330.91/3,020.61
  6. Step 6: Final answer
    x = 2,338.38

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1.5x scale

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.