Home / 3,366.57-4,646.09-2,040.40

Finding the Fourth Proportional to 3,366.57, 4,646.09 and 2,040.40

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Solution

The fourth proportional to 3,366.57, 4,646.09 and 2,040.40 is: 2,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.57 : 4,646.09 = 2,040.40 : x
  2. Step 2: Convert to fraction form
    3,366.57/4,646.09 = 2,040.40/x
  3. Step 3: Cross multiply
    3,366.57x = 4,646.09 × 2,040.40
  4. Step 4: Simplify right side
    3,366.57x = 9,479,882.04
  5. Step 5: Solve for x
    x = 9,479,882.04/3,366.57
  6. Step 6: Final answer
    x = 2,815.89

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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.