Home / 1,726.02-2,381.94-1,027.80

Finding the Fourth Proportional to 1,726.02, 2,381.94 and 1,027.80

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Solution

The fourth proportional to 1,726.02, 2,381.94 and 1,027.80 is: 1,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.02 : 2,381.94 = 1,027.80 : x
  2. Step 2: Convert to fraction form
    1,726.02/2,381.94 = 1,027.80/x
  3. Step 3: Cross multiply
    1,726.02x = 2,381.94 × 1,027.80
  4. Step 4: Simplify right side
    1,726.02x = 2,448,157.93
  5. Step 5: Solve for x
    x = 2,448,157.93/1,726.02
  6. Step 6: Final answer
    x = 1,418.38

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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.