Home / 3,068.94-4,236.56-1,809.57

Finding the Fourth Proportional to 3,068.94, 4,236.56 and 1,809.57

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Solution

The fourth proportional to 3,068.94, 4,236.56 and 1,809.57 is: 2,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.94 : 4,236.56 = 1,809.57 : x
  2. Step 2: Convert to fraction form
    3,068.94/4,236.56 = 1,809.57/x
  3. Step 3: Cross multiply
    3,068.94x = 4,236.56 × 1,809.57
  4. Step 4: Simplify right side
    3,068.94x = 7,666,351.88
  5. Step 5: Solve for x
    x = 7,666,351.88/3,068.94
  6. Step 6: Final answer
    x = 2,498.05

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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.