Home / 3,110.37-4,292.17-1,783.99

Finding the Fourth Proportional to 3,110.37, 4,292.17 and 1,783.99

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Solution

The fourth proportional to 3,110.37, 4,292.17 and 1,783.99 is: 2,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.37 : 4,292.17 = 1,783.99 : x
  2. Step 2: Convert to fraction form
    3,110.37/4,292.17 = 1,783.99/x
  3. Step 3: Cross multiply
    3,110.37x = 4,292.17 × 1,783.99
  4. Step 4: Simplify right side
    3,110.37x = 7,657,188.36
  5. Step 5: Solve for x
    x = 7,657,188.36/3,110.37
  6. Step 6: Final answer
    x = 2,461.83

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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.