Home / 3,299-4,948.45-1,325.50

Finding the Fourth Proportional to 3,299, 4,948.45 and 1,325.50

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Solution

The fourth proportional to 3,299, 4,948.45 and 1,325.50 is: 1,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299 : 4,948.45 = 1,325.50 : x
  2. Step 2: Convert to fraction form
    3,299/4,948.45 = 1,325.50/x
  3. Step 3: Cross multiply
    3,299x = 4,948.45 × 1,325.50
  4. Step 4: Simplify right side
    3,299x = 6,559,170.48
  5. Step 5: Solve for x
    x = 6,559,170.48/3,299
  6. Step 6: Final answer
    x = 1,988.23

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1.5x scale

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.