Home / 3,299.13-4,948.64-1,325.63

Finding the Fourth Proportional to 3,299.13, 4,948.64 and 1,325.63

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Solution

The fourth proportional to 3,299.13, 4,948.64 and 1,325.63 is: 1,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.13 : 4,948.64 = 1,325.63 : x
  2. Step 2: Convert to fraction form
    3,299.13/4,948.64 = 1,325.63/x
  3. Step 3: Cross multiply
    3,299.13x = 4,948.64 × 1,325.63
  4. Step 4: Simplify right side
    3,299.13x = 6,560,034.27
  5. Step 5: Solve for x
    x = 6,560,034.27/3,299.13
  6. Step 6: Final answer
    x = 1,988.41

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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.