Home / 3,068.89-4,235.62-1,809.87

Finding the Fourth Proportional to 3,068.89, 4,235.62 and 1,809.87

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Solution

The fourth proportional to 3,068.89, 4,235.62 and 1,809.87 is: 2,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.89 : 4,235.62 = 1,809.87 : x
  2. Step 2: Convert to fraction form
    3,068.89/4,235.62 = 1,809.87/x
  3. Step 3: Cross multiply
    3,068.89x = 4,235.62 × 1,809.87
  4. Step 4: Simplify right side
    3,068.89x = 7,665,911.38
  5. Step 5: Solve for x
    x = 7,665,911.38/3,068.89
  6. Step 6: Final answer
    x = 2,497.94

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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.