Home / 2,954.72-4,077.92-1,696.16

Finding the Fourth Proportional to 2,954.72, 4,077.92 and 1,696.16

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Solution

The fourth proportional to 2,954.72, 4,077.92 and 1,696.16 is: 2,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.72 : 4,077.92 = 1,696.16 : x
  2. Step 2: Convert to fraction form
    2,954.72/4,077.92 = 1,696.16/x
  3. Step 3: Cross multiply
    2,954.72x = 4,077.92 × 1,696.16
  4. Step 4: Simplify right side
    2,954.72x = 6,916,804.79
  5. Step 5: Solve for x
    x = 6,916,804.79/2,954.72
  6. Step 6: Final answer
    x = 2,340.93

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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.