Home / 3,078.07-4,247.34-1,733.51

Finding the Fourth Proportional to 3,078.07, 4,247.34 and 1,733.51

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Solution

The fourth proportional to 3,078.07, 4,247.34 and 1,733.51 is: 2,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.07 : 4,247.34 = 1,733.51 : x
  2. Step 2: Convert to fraction form
    3,078.07/4,247.34 = 1,733.51/x
  3. Step 3: Cross multiply
    3,078.07x = 4,247.34 × 1,733.51
  4. Step 4: Simplify right side
    3,078.07x = 7,362,810.48
  5. Step 5: Solve for x
    x = 7,362,810.48/3,078.07
  6. Step 6: Final answer
    x = 2,392.02

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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.