Home / 2,458.95-3,393.43-1,339.83

Finding the Fourth Proportional to 2,458.95, 3,393.43 and 1,339.83

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Solution

The fourth proportional to 2,458.95, 3,393.43 and 1,339.83 is: 1,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.95 : 3,393.43 = 1,339.83 : x
  2. Step 2: Convert to fraction form
    2,458.95/3,393.43 = 1,339.83/x
  3. Step 3: Cross multiply
    2,458.95x = 3,393.43 × 1,339.83
  4. Step 4: Simplify right side
    2,458.95x = 4,546,615.97
  5. Step 5: Solve for x
    x = 4,546,615.97/2,458.95
  6. Step 6: Final answer
    x = 1,849.01

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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.