Home / 2,421.99-3,626.46-1,265.31

Finding the Fourth Proportional to 2,421.99, 3,626.46 and 1,265.31

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Solution

The fourth proportional to 2,421.99, 3,626.46 and 1,265.31 is: 1,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.99 : 3,626.46 = 1,265.31 : x
  2. Step 2: Convert to fraction form
    2,421.99/3,626.46 = 1,265.31/x
  3. Step 3: Cross multiply
    2,421.99x = 3,626.46 × 1,265.31
  4. Step 4: Simplify right side
    2,421.99x = 4,588,596.10
  5. Step 5: Solve for x
    x = 4,588,596.10/2,421.99
  6. Step 6: Final answer
    x = 1,894.56

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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.