Home / 1,726.23-2,380.54-1,160.35

Finding the Fourth Proportional to 1,726.23, 2,380.54 and 1,160.35

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Solution

The fourth proportional to 1,726.23, 2,380.54 and 1,160.35 is: 1,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.23 : 2,380.54 = 1,160.35 : x
  2. Step 2: Convert to fraction form
    1,726.23/2,380.54 = 1,160.35/x
  3. Step 3: Cross multiply
    1,726.23x = 2,380.54 × 1,160.35
  4. Step 4: Simplify right side
    1,726.23x = 2,762,259.59
  5. Step 5: Solve for x
    x = 2,762,259.59/1,726.23
  6. Step 6: Final answer
    x = 1,600.17

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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.