Home / 1,726.83-2,381.48-1,137.24

Finding the Fourth Proportional to 1,726.83, 2,381.48 and 1,137.24

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Solution

The fourth proportional to 1,726.83, 2,381.48 and 1,137.24 is: 1,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.83 : 2,381.48 = 1,137.24 : x
  2. Step 2: Convert to fraction form
    1,726.83/2,381.48 = 1,137.24/x
  3. Step 3: Cross multiply
    1,726.83x = 2,381.48 × 1,137.24
  4. Step 4: Simplify right side
    1,726.83x = 2,708,314.32
  5. Step 5: Solve for x
    x = 2,708,314.32/1,726.83
  6. Step 6: Final answer
    x = 1,568.37

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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.