Home / 3,498.78-4,828.47-1,926.93

Finding the Fourth Proportional to 3,498.78, 4,828.47 and 1,926.93

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Solution

The fourth proportional to 3,498.78, 4,828.47 and 1,926.93 is: 2,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.78 : 4,828.47 = 1,926.93 : x
  2. Step 2: Convert to fraction form
    3,498.78/4,828.47 = 1,926.93/x
  3. Step 3: Cross multiply
    3,498.78x = 4,828.47 × 1,926.93
  4. Step 4: Simplify right side
    3,498.78x = 9,304,123.70
  5. Step 5: Solve for x
    x = 9,304,123.70/3,498.78
  6. Step 6: Final answer
    x = 2,659.25

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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.