Home / 2,288.19-3,430.23-1,054.97

Finding the Fourth Proportional to 2,288.19, 3,430.23 and 1,054.97

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Solution

The fourth proportional to 2,288.19, 3,430.23 and 1,054.97 is: 1,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.19 : 3,430.23 = 1,054.97 : x
  2. Step 2: Convert to fraction form
    2,288.19/3,430.23 = 1,054.97/x
  3. Step 3: Cross multiply
    2,288.19x = 3,430.23 × 1,054.97
  4. Step 4: Simplify right side
    2,288.19x = 3,618,789.74
  5. Step 5: Solve for x
    x = 3,618,789.74/2,288.19
  6. Step 6: Final answer
    x = 1,581.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.