Home / 1,483.14-2,226.05-790.39

Finding the Fourth Proportional to 1,483.14, 2,226.05 and 790.39

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Solution

The fourth proportional to 1,483.14, 2,226.05 and 790.39 is: 1,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.14 : 2,226.05 = 790.39 : x
  2. Step 2: Convert to fraction form
    1,483.14/2,226.05 = 790.39/x
  3. Step 3: Cross multiply
    1,483.14x = 2,226.05 × 790.39
  4. Step 4: Simplify right side
    1,483.14x = 1,759,447.66
  5. Step 5: Solve for x
    x = 1,759,447.66/1,483.14
  6. Step 6: Final answer
    x = 1,186.30

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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.