Home / 3,110.54-4,292.73-1,713.32

Finding the Fourth Proportional to 3,110.54, 4,292.73 and 1,713.32

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Solution

The fourth proportional to 3,110.54, 4,292.73 and 1,713.32 is: 2,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.54 : 4,292.73 = 1,713.32 : x
  2. Step 2: Convert to fraction form
    3,110.54/4,292.73 = 1,713.32/x
  3. Step 3: Cross multiply
    3,110.54x = 4,292.73 × 1,713.32
  4. Step 4: Simplify right side
    3,110.54x = 7,354,820.16
  5. Step 5: Solve for x
    x = 7,354,820.16/3,110.54
  6. Step 6: Final answer
    x = 2,364.48

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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.