Home / 2,579.63-3,559.79-1,400.67

Finding the Fourth Proportional to 2,579.63, 3,559.79 and 1,400.67

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Solution

The fourth proportional to 2,579.63, 3,559.79 and 1,400.67 is: 1,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.63 : 3,559.79 = 1,400.67 : x
  2. Step 2: Convert to fraction form
    2,579.63/3,559.79 = 1,400.67/x
  3. Step 3: Cross multiply
    2,579.63x = 3,559.79 × 1,400.67
  4. Step 4: Simplify right side
    2,579.63x = 4,986,084.06
  5. Step 5: Solve for x
    x = 4,986,084.06/2,579.63
  6. Step 6: Final answer
    x = 1,932.87

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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.