Home / 3,470.66-4,789.48-1,898.76

Finding the Fourth Proportional to 3,470.66, 4,789.48 and 1,898.76

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Solution

The fourth proportional to 3,470.66, 4,789.48 and 1,898.76 is: 2,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.66 : 4,789.48 = 1,898.76 : x
  2. Step 2: Convert to fraction form
    3,470.66/4,789.48 = 1,898.76/x
  3. Step 3: Cross multiply
    3,470.66x = 4,789.48 × 1,898.76
  4. Step 4: Simplify right side
    3,470.66x = 9,094,073.04
  5. Step 5: Solve for x
    x = 9,094,073.04/3,470.66
  6. Step 6: Final answer
    x = 2,620.27

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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.