Home / 2,956.32-4,415.88-2,169.36

Finding the Fourth Proportional to 2,956.32, 4,415.88 and 2,169.36

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Solution

The fourth proportional to 2,956.32, 4,415.88 and 2,169.36 is: 3,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.32 : 4,415.88 = 2,169.36 : x
  2. Step 2: Convert to fraction form
    2,956.32/4,415.88 = 2,169.36/x
  3. Step 3: Cross multiply
    2,956.32x = 4,415.88 × 2,169.36
  4. Step 4: Simplify right side
    2,956.32x = 9,579,633.44
  5. Step 5: Solve for x
    x = 9,579,633.44/2,956.32
  6. Step 6: Final answer
    x = 3,240.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.