Home / 3,405.34-4,696.23-2,146.06

Finding the Fourth Proportional to 3,405.34, 4,696.23 and 2,146.06

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Solution

The fourth proportional to 3,405.34, 4,696.23 and 2,146.06 is: 2,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.34 : 4,696.23 = 2,146.06 : x
  2. Step 2: Convert to fraction form
    3,405.34/4,696.23 = 2,146.06/x
  3. Step 3: Cross multiply
    3,405.34x = 4,696.23 × 2,146.06
  4. Step 4: Simplify right side
    3,405.34x = 10,078,391.35
  5. Step 5: Solve for x
    x = 10,078,391.35/3,405.34
  6. Step 6: Final answer
    x = 2,959.58

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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.