Home / 2,669.70-4,002.89-1,110.79

Finding the Fourth Proportional to 2,669.70, 4,002.89 and 1,110.79

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Solution

The fourth proportional to 2,669.70, 4,002.89 and 1,110.79 is: 1,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.70 : 4,002.89 = 1,110.79 : x
  2. Step 2: Convert to fraction form
    2,669.70/4,002.89 = 1,110.79/x
  3. Step 3: Cross multiply
    2,669.70x = 4,002.89 × 1,110.79
  4. Step 4: Simplify right side
    2,669.70x = 4,446,364.63
  5. Step 5: Solve for x
    x = 4,446,364.63/2,669.70
  6. Step 6: Final answer
    x = 1,665.50

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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.