Home / 1,683.64-2,523.08-1,435.54

Finding the Fourth Proportional to 1,683.64, 2,523.08 and 1,435.54

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Solution

The fourth proportional to 1,683.64, 2,523.08 and 1,435.54 is: 2,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.64 : 2,523.08 = 1,435.54 : x
  2. Step 2: Convert to fraction form
    1,683.64/2,523.08 = 1,435.54/x
  3. Step 3: Cross multiply
    1,683.64x = 2,523.08 × 1,435.54
  4. Step 4: Simplify right side
    1,683.64x = 3,621,982.26
  5. Step 5: Solve for x
    x = 3,621,982.26/1,683.64
  6. Step 6: Final answer
    x = 2,151.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.