Home / 3,470.13-4,788.79-1,898.23

Finding the Fourth Proportional to 3,470.13, 4,788.79 and 1,898.23

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Solution

The fourth proportional to 3,470.13, 4,788.79 and 1,898.23 is: 2,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.13 : 4,788.79 = 1,898.23 : x
  2. Step 2: Convert to fraction form
    3,470.13/4,788.79 = 1,898.23/x
  3. Step 3: Cross multiply
    3,470.13x = 4,788.79 × 1,898.23
  4. Step 4: Simplify right side
    3,470.13x = 9,090,191.41
  5. Step 5: Solve for x
    x = 9,090,191.41/3,470.13
  6. Step 6: Final answer
    x = 2,619.55

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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.