Home / 3,371.14-4,653.61-2,111.93

Finding the Fourth Proportional to 3,371.14, 4,653.61 and 2,111.93

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Solution

The fourth proportional to 3,371.14, 4,653.61 and 2,111.93 is: 2,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.14 : 4,653.61 = 2,111.93 : x
  2. Step 2: Convert to fraction form
    3,371.14/4,653.61 = 2,111.93/x
  3. Step 3: Cross multiply
    3,371.14x = 4,653.61 × 2,111.93
  4. Step 4: Simplify right side
    3,371.14x = 9,828,074.38
  5. Step 5: Solve for x
    x = 9,828,074.38/3,371.14
  6. Step 6: Final answer
    x = 2,915.35

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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.