Home / 3,110.33-4,292.33-1,783.95

Finding the Fourth Proportional to 3,110.33, 4,292.33 and 1,783.95

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Solution

The fourth proportional to 3,110.33, 4,292.33 and 1,783.95 is: 2,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.33 : 4,292.33 = 1,783.95 : x
  2. Step 2: Convert to fraction form
    3,110.33/4,292.33 = 1,783.95/x
  3. Step 3: Cross multiply
    3,110.33x = 4,292.33 × 1,783.95
  4. Step 4: Simplify right side
    3,110.33x = 7,657,293.18
  5. Step 5: Solve for x
    x = 7,657,293.18/3,110.33
  6. Step 6: Final answer
    x = 2,461.89

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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.