Home / 3,455.16-4,768.34-2,039.69

Finding the Fourth Proportional to 3,455.16, 4,768.34 and 2,039.69

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Solution

The fourth proportional to 3,455.16, 4,768.34 and 2,039.69 is: 2,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.16 : 4,768.34 = 2,039.69 : x
  2. Step 2: Convert to fraction form
    3,455.16/4,768.34 = 2,039.69/x
  3. Step 3: Cross multiply
    3,455.16x = 4,768.34 × 2,039.69
  4. Step 4: Simplify right side
    3,455.16x = 9,725,901.37
  5. Step 5: Solve for x
    x = 9,725,901.37/3,455.16
  6. Step 6: Final answer
    x = 2,814.89

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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.