Home / 3,470.25-4,788.95-1,898.36

Finding the Fourth Proportional to 3,470.25, 4,788.95 and 1,898.36

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Solution

The fourth proportional to 3,470.25, 4,788.95 and 1,898.36 is: 2,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.25 : 4,788.95 = 1,898.36 : x
  2. Step 2: Convert to fraction form
    3,470.25/4,788.95 = 1,898.36/x
  3. Step 3: Cross multiply
    3,470.25x = 4,788.95 × 1,898.36
  4. Step 4: Simplify right side
    3,470.25x = 9,091,117.69
  5. Step 5: Solve for x
    x = 9,091,117.69/3,470.25
  6. Step 6: Final answer
    x = 2,619.73

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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.