Home / 2,607.12-3,911.94-1,146.08

Finding the Fourth Proportional to 2,607.12, 3,911.94 and 1,146.08

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Solution

The fourth proportional to 2,607.12, 3,911.94 and 1,146.08 is: 1,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.12 : 3,911.94 = 1,146.08 : x
  2. Step 2: Convert to fraction form
    2,607.12/3,911.94 = 1,146.08/x
  3. Step 3: Cross multiply
    2,607.12x = 3,911.94 × 1,146.08
  4. Step 4: Simplify right side
    2,607.12x = 4,483,370.91
  5. Step 5: Solve for x
    x = 4,483,370.91/2,607.12
  6. Step 6: Final answer
    x = 1,719.67

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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.