Home / 2,498.11-3,749.47-1,266.40

Finding the Fourth Proportional to 2,498.11, 3,749.47 and 1,266.40

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Solution

The fourth proportional to 2,498.11, 3,749.47 and 1,266.40 is: 1,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.11 : 3,749.47 = 1,266.40 : x
  2. Step 2: Convert to fraction form
    2,498.11/3,749.47 = 1,266.40/x
  3. Step 3: Cross multiply
    2,498.11x = 3,749.47 × 1,266.40
  4. Step 4: Simplify right side
    2,498.11x = 4,748,303.73
  5. Step 5: Solve for x
    x = 4,748,303.73/2,498.11
  6. Step 6: Final answer
    x = 1,900.76

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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.