Home / 3,110.76-4,292.55-1,713.51

Finding the Fourth Proportional to 3,110.76, 4,292.55 and 1,713.51

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Solution

The fourth proportional to 3,110.76, 4,292.55 and 1,713.51 is: 2,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.76 : 4,292.55 = 1,713.51 : x
  2. Step 2: Convert to fraction form
    3,110.76/4,292.55 = 1,713.51/x
  3. Step 3: Cross multiply
    3,110.76x = 4,292.55 × 1,713.51
  4. Step 4: Simplify right side
    3,110.76x = 7,355,327.35
  5. Step 5: Solve for x
    x = 7,355,327.35/3,110.76
  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.