Home / 1,254.55-1,871.60-1,222.33

Finding the Fourth Proportional to 1,254.55, 1,871.60 and 1,222.33

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Solution

The fourth proportional to 1,254.55, 1,871.60 and 1,222.33 is: 1,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.55 : 1,871.60 = 1,222.33 : x
  2. Step 2: Convert to fraction form
    1,254.55/1,871.60 = 1,222.33/x
  3. Step 3: Cross multiply
    1,254.55x = 1,871.60 × 1,222.33
  4. Step 4: Simplify right side
    1,254.55x = 2,287,712.83
  5. Step 5: Solve for x
    x = 2,287,712.83/1,254.55
  6. Step 6: Final answer
    x = 1,823.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.