Home / 1,673.21-2,490.78-1,593.60

Finding the Fourth Proportional to 1,673.21, 2,490.78 and 1,593.60

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Solution

The fourth proportional to 1,673.21, 2,490.78 and 1,593.60 is: 2,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.21 : 2,490.78 = 1,593.60 : x
  2. Step 2: Convert to fraction form
    1,673.21/2,490.78 = 1,593.60/x
  3. Step 3: Cross multiply
    1,673.21x = 2,490.78 × 1,593.60
  4. Step 4: Simplify right side
    1,673.21x = 3,969,307.01
  5. Step 5: Solve for x
    x = 3,969,307.01/1,673.21
  6. Step 6: Final answer
    x = 2,372.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.