Home / 1,722.25-2,376.91-1,023.63

Finding the Fourth Proportional to 1,722.25, 2,376.91 and 1,023.63

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Solution

The fourth proportional to 1,722.25, 2,376.91 and 1,023.63 is: 1,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.25 : 2,376.91 = 1,023.63 : x
  2. Step 2: Convert to fraction form
    1,722.25/2,376.91 = 1,023.63/x
  3. Step 3: Cross multiply
    1,722.25x = 2,376.91 × 1,023.63
  4. Step 4: Simplify right side
    1,722.25x = 2,433,076.38
  5. Step 5: Solve for x
    x = 2,433,076.38/1,722.25
  6. Step 6: Final answer
    x = 1,412.73

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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.