Home / 2,426.08-3,344.64-1,638.88

Finding the Fourth Proportional to 2,426.08, 3,344.64 and 1,638.88

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Solution

The fourth proportional to 2,426.08, 3,344.64 and 1,638.88 is: 2,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.08 : 3,344.64 = 1,638.88 : x
  2. Step 2: Convert to fraction form
    2,426.08/3,344.64 = 1,638.88/x
  3. Step 3: Cross multiply
    2,426.08x = 3,344.64 × 1,638.88
  4. Step 4: Simplify right side
    2,426.08x = 5,481,463.60
  5. Step 5: Solve for x
    x = 5,481,463.60/2,426.08
  6. Step 6: Final answer
    x = 2,259.39

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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.