Home / 3,068.43-4,235.25-1,890.49

Finding the Fourth Proportional to 3,068.43, 4,235.25 and 1,890.49

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Solution

The fourth proportional to 3,068.43, 4,235.25 and 1,890.49 is: 2,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.43 : 4,235.25 = 1,890.49 : x
  2. Step 2: Convert to fraction form
    3,068.43/4,235.25 = 1,890.49/x
  3. Step 3: Cross multiply
    3,068.43x = 4,235.25 × 1,890.49
  4. Step 4: Simplify right side
    3,068.43x = 8,006,697.77
  5. Step 5: Solve for x
    x = 8,006,697.77/3,068.43
  6. Step 6: Final answer
    x = 2,609.38

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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.