Home / 1,683.02-2,322.47-936.95

Finding the Fourth Proportional to 1,683.02, 2,322.47 and 936.95

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Solution

The fourth proportional to 1,683.02, 2,322.47 and 936.95 is: 1,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.02 : 2,322.47 = 936.95 : x
  2. Step 2: Convert to fraction form
    1,683.02/2,322.47 = 936.95/x
  3. Step 3: Cross multiply
    1,683.02x = 2,322.47 × 936.95
  4. Step 4: Simplify right side
    1,683.02x = 2,176,029.00
  5. Step 5: Solve for x
    x = 2,176,029.00/1,683.02
  6. Step 6: Final answer
    x = 1,292.93

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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.