Home / 2,288.16-3,430.44-1,054.80

Finding the Fourth Proportional to 2,288.16, 3,430.44 and 1,054.80

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Solution

The fourth proportional to 2,288.16, 3,430.44 and 1,054.80 is: 1,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.16 : 3,430.44 = 1,054.80 : x
  2. Step 2: Convert to fraction form
    2,288.16/3,430.44 = 1,054.80/x
  3. Step 3: Cross multiply
    2,288.16x = 3,430.44 × 1,054.80
  4. Step 4: Simplify right side
    2,288.16x = 3,618,428.11
  5. Step 5: Solve for x
    x = 3,618,428.11/2,288.16
  6. Step 6: Final answer
    x = 1,581.37

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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.