Home / 1,930.24-2,679.40-1,884.16

Finding the Fourth Proportional to 1,930.24, 2,679.40 and 1,884.16

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Solution

The fourth proportional to 1,930.24, 2,679.40 and 1,884.16 is: 2,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.24 : 2,679.40 = 1,884.16 : x
  2. Step 2: Convert to fraction form
    1,930.24/2,679.40 = 1,884.16/x
  3. Step 3: Cross multiply
    1,930.24x = 2,679.40 × 1,884.16
  4. Step 4: Simplify right side
    1,930.24x = 5,048,418.30
  5. Step 5: Solve for x
    x = 5,048,418.30/1,930.24
  6. Step 6: Final answer
    x = 2,615.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.