Home / 2,150.40-3,225.96-1,054.62

Finding the Fourth Proportional to 2,150.40, 3,225.96 and 1,054.62

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Solution

The fourth proportional to 2,150.40, 3,225.96 and 1,054.62 is: 1,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.40 : 3,225.96 = 1,054.62 : x
  2. Step 2: Convert to fraction form
    2,150.40/3,225.96 = 1,054.62/x
  3. Step 3: Cross multiply
    2,150.40x = 3,225.96 × 1,054.62
  4. Step 4: Simplify right side
    2,150.40x = 3,402,161.94
  5. Step 5: Solve for x
    x = 3,402,161.94/2,150.40
  6. Step 6: Final answer
    x = 1,582.11

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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.