Home / 1,683.01-2,322.57-984.25

Finding the Fourth Proportional to 1,683.01, 2,322.57 and 984.25

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Solution

The fourth proportional to 1,683.01, 2,322.57 and 984.25 is: 1,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.01 : 2,322.57 = 984.25 : x
  2. Step 2: Convert to fraction form
    1,683.01/2,322.57 = 984.25/x
  3. Step 3: Cross multiply
    1,683.01x = 2,322.57 × 984.25
  4. Step 4: Simplify right side
    1,683.01x = 2,285,989.52
  5. Step 5: Solve for x
    x = 2,285,989.52/1,683.01
  6. Step 6: Final answer
    x = 1,358.27

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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.