Home / 1,782.41-2,460.38-1,339.54

Finding the Fourth Proportional to 1,782.41, 2,460.38 and 1,339.54

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Solution

The fourth proportional to 1,782.41, 2,460.38 and 1,339.54 is: 1,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.41 : 2,460.38 = 1,339.54 : x
  2. Step 2: Convert to fraction form
    1,782.41/2,460.38 = 1,339.54/x
  3. Step 3: Cross multiply
    1,782.41x = 2,460.38 × 1,339.54
  4. Step 4: Simplify right side
    1,782.41x = 3,295,764.58
  5. Step 5: Solve for x
    x = 3,295,764.58/1,782.41
  6. Step 6: Final answer
    x = 1,849.05

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1.5x scale

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.