Home / 2,642.60-3,956.00-1,599.45

Finding the Fourth Proportional to 2,642.60, 3,956.00 and 1,599.45

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Solution

The fourth proportional to 2,642.60, 3,956.00 and 1,599.45 is: 2,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.60 : 3,956.00 = 1,599.45 : x
  2. Step 2: Convert to fraction form
    2,642.60/3,956.00 = 1,599.45/x
  3. Step 3: Cross multiply
    2,642.60x = 3,956.00 × 1,599.45
  4. Step 4: Simplify right side
    2,642.60x = 6,327,416.20
  5. Step 5: Solve for x
    x = 6,327,416.20/2,642.60
  6. Step 6: Final answer
    x = 2,394.39

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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.