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Finding the Fourth Proportional to 1,726.74, 2,380.84 and 1,410.84

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Solution

The fourth proportional to 1,726.74, 2,380.84 and 1,410.84 is: 1,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.74 : 2,380.84 = 1,410.84 : x
  2. Step 2: Convert to fraction form
    1,726.74/2,380.84 = 1,410.84/x
  3. Step 3: Cross multiply
    1,726.74x = 2,380.84 × 1,410.84
  4. Step 4: Simplify right side
    1,726.74x = 3,358,984.31
  5. Step 5: Solve for x
    x = 3,358,984.31/1,726.74
  6. Step 6: Final answer
    x = 1,945.28

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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.