Home / 2,930.60-4,393.46-1,369.78

Finding the Fourth Proportional to 2,930.60, 4,393.46 and 1,369.78

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Solution

The fourth proportional to 2,930.60, 4,393.46 and 1,369.78 is: 2,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.60 : 4,393.46 = 1,369.78 : x
  2. Step 2: Convert to fraction form
    2,930.60/4,393.46 = 1,369.78/x
  3. Step 3: Cross multiply
    2,930.60x = 4,393.46 × 1,369.78
  4. Step 4: Simplify right side
    2,930.60x = 6,018,066.08
  5. Step 5: Solve for x
    x = 6,018,066.08/2,930.60
  6. Step 6: Final answer
    x = 2,053.53

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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.