Home / 2,698.52-4,047.44-1,139.15

Finding the Fourth Proportional to 2,698.52, 4,047.44 and 1,139.15

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Solution

The fourth proportional to 2,698.52, 4,047.44 and 1,139.15 is: 1,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.52 : 4,047.44 = 1,139.15 : x
  2. Step 2: Convert to fraction form
    2,698.52/4,047.44 = 1,139.15/x
  3. Step 3: Cross multiply
    2,698.52x = 4,047.44 × 1,139.15
  4. Step 4: Simplify right side
    2,698.52x = 4,610,623.89
  5. Step 5: Solve for x
    x = 4,610,623.89/2,698.52
  6. Step 6: Final answer
    x = 1,708.57

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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.