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Finding the Fourth Proportional to 1,824.03, 2,735.73 and 653.78

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Solution

The fourth proportional to 1,824.03, 2,735.73 and 653.78 is: 980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.03 : 2,735.73 = 653.78 : x
  2. Step 2: Convert to fraction form
    1,824.03/2,735.73 = 653.78/x
  3. Step 3: Cross multiply
    1,824.03x = 2,735.73 × 653.78
  4. Step 4: Simplify right side
    1,824.03x = 1,788,551.88
  5. Step 5: Solve for x
    x = 1,788,551.88/1,824.03
  6. Step 6: Final answer
    x = 980.55

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1.5x scale

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.