Home / 1,283.01-1,770.77-1,224.57

Finding the Fourth Proportional to 1,283.01, 1,770.77 and 1,224.57

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Solution

The fourth proportional to 1,283.01, 1,770.77 and 1,224.57 is: 1,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.01 : 1,770.77 = 1,224.57 : x
  2. Step 2: Convert to fraction form
    1,283.01/1,770.77 = 1,224.57/x
  3. Step 3: Cross multiply
    1,283.01x = 1,770.77 × 1,224.57
  4. Step 4: Simplify right side
    1,283.01x = 2,168,431.82
  5. Step 5: Solve for x
    x = 2,168,431.82/1,283.01
  6. Step 6: Final answer
    x = 1,690.11

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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.