Home / 3,654.20-5,486.70-2,563.40

Finding the Fourth Proportional to 3,654.20, 5,486.70 and 2,563.40

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Solution

The fourth proportional to 3,654.20, 5,486.70 and 2,563.40 is: 3,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.20 : 5,486.70 = 2,563.40 : x
  2. Step 2: Convert to fraction form
    3,654.20/5,486.70 = 2,563.40/x
  3. Step 3: Cross multiply
    3,654.20x = 5,486.70 × 2,563.40
  4. Step 4: Simplify right side
    3,654.20x = 14,064,606.78
  5. Step 5: Solve for x
    x = 14,064,606.78/3,654.20
  6. Step 6: Final answer
    x = 3,848.89

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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.