Home / 2,890.24-4,332.60-1,245.16

Finding the Fourth Proportional to 2,890.24, 4,332.60 and 1,245.16

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Solution

The fourth proportional to 2,890.24, 4,332.60 and 1,245.16 is: 1,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.24 : 4,332.60 = 1,245.16 : x
  2. Step 2: Convert to fraction form
    2,890.24/4,332.60 = 1,245.16/x
  3. Step 3: Cross multiply
    2,890.24x = 4,332.60 × 1,245.16
  4. Step 4: Simplify right side
    2,890.24x = 5,394,780.22
  5. Step 5: Solve for x
    x = 5,394,780.22/2,890.24
  6. Step 6: Final answer
    x = 1,866.55

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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.