Home / 2,976.48-4,465.08-1,245.12

Finding the Fourth Proportional to 2,976.48, 4,465.08 and 1,245.12

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Solution

The fourth proportional to 2,976.48, 4,465.08 and 1,245.12 is: 1,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.48 : 4,465.08 = 1,245.12 : x
  2. Step 2: Convert to fraction form
    2,976.48/4,465.08 = 1,245.12/x
  3. Step 3: Cross multiply
    2,976.48x = 4,465.08 × 1,245.12
  4. Step 4: Simplify right side
    2,976.48x = 5,559,560.41
  5. Step 5: Solve for x
    x = 5,559,560.41/2,976.48
  6. Step 6: Final answer
    x = 1,867.83

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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.