Home / 2,898.11-4,325.95-2,489.87

Finding the Fourth Proportional to 2,898.11, 4,325.95 and 2,489.87

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Solution

The fourth proportional to 2,898.11, 4,325.95 and 2,489.87 is: 3,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.11 : 4,325.95 = 2,489.87 : x
  2. Step 2: Convert to fraction form
    2,898.11/4,325.95 = 2,489.87/x
  3. Step 3: Cross multiply
    2,898.11x = 4,325.95 × 2,489.87
  4. Step 4: Simplify right side
    2,898.11x = 10,771,040.68
  5. Step 5: Solve for x
    x = 10,771,040.68/2,898.11
  6. Step 6: Final answer
    x = 3,716.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.