Home / 2,601.64-3,580.92-2,177.34

Finding the Fourth Proportional to 2,601.64, 3,580.92 and 2,177.34

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Solution

The fourth proportional to 2,601.64, 3,580.92 and 2,177.34 is: 2,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.64 : 3,580.92 = 2,177.34 : x
  2. Step 2: Convert to fraction form
    2,601.64/3,580.92 = 2,177.34/x
  3. Step 3: Cross multiply
    2,601.64x = 3,580.92 × 2,177.34
  4. Step 4: Simplify right side
    2,601.64x = 7,796,880.35
  5. Step 5: Solve for x
    x = 7,796,880.35/2,601.64
  6. Step 6: Final answer
    x = 2,996.91

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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.