Home / 3,110.93-4,292.96-1,784.76

Finding the Fourth Proportional to 3,110.93, 4,292.96 and 1,784.76

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Solution

The fourth proportional to 3,110.93, 4,292.96 and 1,784.76 is: 2,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.93 : 4,292.96 = 1,784.76 : x
  2. Step 2: Convert to fraction form
    3,110.93/4,292.96 = 1,784.76/x
  3. Step 3: Cross multiply
    3,110.93x = 4,292.96 × 1,784.76
  4. Step 4: Simplify right side
    3,110.93x = 7,661,903.29
  5. Step 5: Solve for x
    x = 7,661,903.29/3,110.93
  6. Step 6: Final answer
    x = 2,462.90

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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.