Home / 3,328.54-4,988.02-2,289.71

Finding the Fourth Proportional to 3,328.54, 4,988.02 and 2,289.71

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Solution

The fourth proportional to 3,328.54, 4,988.02 and 2,289.71 is: 3,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.54 : 4,988.02 = 2,289.71 : x
  2. Step 2: Convert to fraction form
    3,328.54/4,988.02 = 2,289.71/x
  3. Step 3: Cross multiply
    3,328.54x = 4,988.02 × 2,289.71
  4. Step 4: Simplify right side
    3,328.54x = 11,421,126.02
  5. Step 5: Solve for x
    x = 11,421,126.02/3,328.54
  6. Step 6: Final answer
    x = 3,431.27

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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.