Home / 2,965.40-4,093.56-1,770.80

Finding the Fourth Proportional to 2,965.40, 4,093.56 and 1,770.80

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Solution

The fourth proportional to 2,965.40, 4,093.56 and 1,770.80 is: 2,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.40 : 4,093.56 = 1,770.80 : x
  2. Step 2: Convert to fraction form
    2,965.40/4,093.56 = 1,770.80/x
  3. Step 3: Cross multiply
    2,965.40x = 4,093.56 × 1,770.80
  4. Step 4: Simplify right side
    2,965.40x = 7,248,876.05
  5. Step 5: Solve for x
    x = 7,248,876.05/2,965.40
  6. Step 6: Final answer
    x = 2,444.49

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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.