Home / 1,930.32-2,663.83-1,630.36

Finding the Fourth Proportional to 1,930.32, 2,663.83 and 1,630.36

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Solution

The fourth proportional to 1,930.32, 2,663.83 and 1,630.36 is: 2,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.32 : 2,663.83 = 1,630.36 : x
  2. Step 2: Convert to fraction form
    1,930.32/2,663.83 = 1,630.36/x
  3. Step 3: Cross multiply
    1,930.32x = 2,663.83 × 1,630.36
  4. Step 4: Simplify right side
    1,930.32x = 4,343,001.88
  5. Step 5: Solve for x
    x = 4,343,001.88/1,930.32
  6. Step 6: Final answer
    x = 2,249.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.