Home / 2,118.96-2,924.91-1,623.24

Finding the Fourth Proportional to 2,118.96, 2,924.91 and 1,623.24

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Solution

The fourth proportional to 2,118.96, 2,924.91 and 1,623.24 is: 2,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.96 : 2,924.91 = 1,623.24 : x
  2. Step 2: Convert to fraction form
    2,118.96/2,924.91 = 1,623.24/x
  3. Step 3: Cross multiply
    2,118.96x = 2,924.91 × 1,623.24
  4. Step 4: Simplify right side
    2,118.96x = 4,747,830.91
  5. Step 5: Solve for x
    x = 4,747,830.91/2,118.96
  6. Step 6: Final answer
    x = 2,240.64

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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.