Home / 3,498.70-4,828.09-1,926.79

Finding the Fourth Proportional to 3,498.70, 4,828.09 and 1,926.79

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Solution

The fourth proportional to 3,498.70, 4,828.09 and 1,926.79 is: 2,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.70 : 4,828.09 = 1,926.79 : x
  2. Step 2: Convert to fraction form
    3,498.70/4,828.09 = 1,926.79/x
  3. Step 3: Cross multiply
    3,498.70x = 4,828.09 × 1,926.79
  4. Step 4: Simplify right side
    3,498.70x = 9,302,715.53
  5. Step 5: Solve for x
    x = 9,302,715.53/3,498.70
  6. Step 6: Final answer
    x = 2,658.91

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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.