Home / 2,499.93-3,749.89-1,851.12

Finding the Fourth Proportional to 2,499.93, 3,749.89 and 1,851.12

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Solution

The fourth proportional to 2,499.93, 3,749.89 and 1,851.12 is: 2,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.93 : 3,749.89 = 1,851.12 : x
  2. Step 2: Convert to fraction form
    2,499.93/3,749.89 = 1,851.12/x
  3. Step 3: Cross multiply
    2,499.93x = 3,749.89 × 1,851.12
  4. Step 4: Simplify right side
    2,499.93x = 6,941,477.63
  5. Step 5: Solve for x
    x = 6,941,477.63/2,499.93
  6. Step 6: Final answer
    x = 2,776.67

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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.