Home / 4,081.60-6,118.26-1,615.10

Finding the Fourth Proportional to 4,081.60, 6,118.26 and 1,615.10

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Solution

The fourth proportional to 4,081.60, 6,118.26 and 1,615.10 is: 2,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.60 : 6,118.26 = 1,615.10 : x
  2. Step 2: Convert to fraction form
    4,081.60/6,118.26 = 1,615.10/x
  3. Step 3: Cross multiply
    4,081.60x = 6,118.26 × 1,615.10
  4. Step 4: Simplify right side
    4,081.60x = 9,881,601.73
  5. Step 5: Solve for x
    x = 9,881,601.73/4,081.60
  6. Step 6: Final answer
    x = 2,421.01

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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.