Home / 2,523.27-3,479.08-1,638.75

Finding the Fourth Proportional to 2,523.27, 3,479.08 and 1,638.75

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Solution

The fourth proportional to 2,523.27, 3,479.08 and 1,638.75 is: 2,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.27 : 3,479.08 = 1,638.75 : x
  2. Step 2: Convert to fraction form
    2,523.27/3,479.08 = 1,638.75/x
  3. Step 3: Cross multiply
    2,523.27x = 3,479.08 × 1,638.75
  4. Step 4: Simplify right side
    2,523.27x = 5,701,342.35
  5. Step 5: Solve for x
    x = 5,701,342.35/2,523.27
  6. Step 6: Final answer
    x = 2,259.51

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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.