Home / 3,470.30-4,788.98-1,898.38

Finding the Fourth Proportional to 3,470.30, 4,788.98 and 1,898.38

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Solution

The fourth proportional to 3,470.30, 4,788.98 and 1,898.38 is: 2,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.30 : 4,788.98 = 1,898.38 : x
  2. Step 2: Convert to fraction form
    3,470.30/4,788.98 = 1,898.38/x
  3. Step 3: Cross multiply
    3,470.30x = 4,788.98 × 1,898.38
  4. Step 4: Simplify right side
    3,470.30x = 9,091,270.42
  5. Step 5: Solve for x
    x = 9,091,270.42/3,470.30
  6. Step 6: Final answer
    x = 2,619.74

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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.