Home / 3,503.85-5,256.09-1,654.45

Finding the Fourth Proportional to 3,503.85, 5,256.09 and 1,654.45

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Solution

The fourth proportional to 3,503.85, 5,256.09 and 1,654.45 is: 2,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.85 : 5,256.09 = 1,654.45 : x
  2. Step 2: Convert to fraction form
    3,503.85/5,256.09 = 1,654.45/x
  3. Step 3: Cross multiply
    3,503.85x = 5,256.09 × 1,654.45
  4. Step 4: Simplify right side
    3,503.85x = 8,695,938.10
  5. Step 5: Solve for x
    x = 8,695,938.10/3,503.85
  6. Step 6: Final answer
    x = 2,481.82

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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.