Home / 1,683.23-2,528.45-1,627.87

Finding the Fourth Proportional to 1,683.23, 2,528.45 and 1,627.87

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Solution

The fourth proportional to 1,683.23, 2,528.45 and 1,627.87 is: 2,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.23 : 2,528.45 = 1,627.87 : x
  2. Step 2: Convert to fraction form
    1,683.23/2,528.45 = 1,627.87/x
  3. Step 3: Cross multiply
    1,683.23x = 2,528.45 × 1,627.87
  4. Step 4: Simplify right side
    1,683.23x = 4,115,967.12
  5. Step 5: Solve for x
    x = 4,115,967.12/1,683.23
  6. Step 6: Final answer
    x = 2,445.29

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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.