Home / 1,693.22-2,328.86-1,360.92

Finding the Fourth Proportional to 1,693.22, 2,328.86 and 1,360.92

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Solution

The fourth proportional to 1,693.22, 2,328.86 and 1,360.92 is: 1,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.22 : 2,328.86 = 1,360.92 : x
  2. Step 2: Convert to fraction form
    1,693.22/2,328.86 = 1,360.92/x
  3. Step 3: Cross multiply
    1,693.22x = 2,328.86 × 1,360.92
  4. Step 4: Simplify right side
    1,693.22x = 3,169,392.15
  5. Step 5: Solve for x
    x = 3,169,392.15/1,693.22
  6. Step 6: Final answer
    x = 1,871.81

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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.