Home / 1,717.20-2,573.48-1,252.80

Finding the Fourth Proportional to 1,717.20, 2,573.48 and 1,252.80

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Solution

The fourth proportional to 1,717.20, 2,573.48 and 1,252.80 is: 1,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.20 : 2,573.48 = 1,252.80 : x
  2. Step 2: Convert to fraction form
    1,717.20/2,573.48 = 1,252.80/x
  3. Step 3: Cross multiply
    1,717.20x = 2,573.48 × 1,252.80
  4. Step 4: Simplify right side
    1,717.20x = 3,224,058.88
  5. Step 5: Solve for x
    x = 3,224,058.88/1,717.20
  6. Step 6: Final answer
    x = 1,877.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.