Home / 3,406.27-4,698.74-2,145.16

Finding the Fourth Proportional to 3,406.27, 4,698.74 and 2,145.16

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Solution

The fourth proportional to 3,406.27, 4,698.74 and 2,145.16 is: 2,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.27 : 4,698.74 = 2,145.16 : x
  2. Step 2: Convert to fraction form
    3,406.27/4,698.74 = 2,145.16/x
  3. Step 3: Cross multiply
    3,406.27x = 4,698.74 × 2,145.16
  4. Step 4: Simplify right side
    3,406.27x = 10,079,538.37
  5. Step 5: Solve for x
    x = 10,079,538.37/3,406.27
  6. Step 6: Final answer
    x = 2,959.11

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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.