Home / 2,768.77-4,153.56-1,673.65

Finding the Fourth Proportional to 2,768.77, 4,153.56 and 1,673.65

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Solution

The fourth proportional to 2,768.77, 4,153.56 and 1,673.65 is: 2,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.77 : 4,153.56 = 1,673.65 : x
  2. Step 2: Convert to fraction form
    2,768.77/4,153.56 = 1,673.65/x
  3. Step 3: Cross multiply
    2,768.77x = 4,153.56 × 1,673.65
  4. Step 4: Simplify right side
    2,768.77x = 6,951,605.69
  5. Step 5: Solve for x
    x = 6,951,605.69/2,768.77
  6. Step 6: Final answer
    x = 2,510.72

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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.