Home / 3,340.84-5,010.72-1,260.68

Finding the Fourth Proportional to 3,340.84, 5,010.72 and 1,260.68

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Solution

The fourth proportional to 3,340.84, 5,010.72 and 1,260.68 is: 1,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.84 : 5,010.72 = 1,260.68 : x
  2. Step 2: Convert to fraction form
    3,340.84/5,010.72 = 1,260.68/x
  3. Step 3: Cross multiply
    3,340.84x = 5,010.72 × 1,260.68
  4. Step 4: Simplify right side
    3,340.84x = 6,316,914.49
  5. Step 5: Solve for x
    x = 6,316,914.49/3,340.84
  6. Step 6: Final answer
    x = 1,890.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.