Home / 1,567.73-2,351.61-1,274.89

Finding the Fourth Proportional to 1,567.73, 2,351.61 and 1,274.89

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Solution

The fourth proportional to 1,567.73, 2,351.61 and 1,274.89 is: 1,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.73 : 2,351.61 = 1,274.89 : x
  2. Step 2: Convert to fraction form
    1,567.73/2,351.61 = 1,274.89/x
  3. Step 3: Cross multiply
    1,567.73x = 2,351.61 × 1,274.89
  4. Step 4: Simplify right side
    1,567.73x = 2,998,039.02
  5. Step 5: Solve for x
    x = 2,998,039.02/1,567.73
  6. Step 6: Final answer
    x = 1,912.34

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1.5x scale

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.