Home / 1,054.26-1,581.61-360.98

Finding the Fourth Proportional to 1,054.26, 1,581.61 and 360.98

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Solution

The fourth proportional to 1,054.26, 1,581.61 and 360.98 is: 541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.26 : 1,581.61 = 360.98 : x
  2. Step 2: Convert to fraction form
    1,054.26/1,581.61 = 360.98/x
  3. Step 3: Cross multiply
    1,054.26x = 1,581.61 × 360.98
  4. Step 4: Simplify right side
    1,054.26x = 570,929.58
  5. Step 5: Solve for x
    x = 570,929.58/1,054.26
  6. Step 6: Final answer
    x = 541.55

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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.