Home / 2,405.09-3,607.64-1,503.75

Finding the Fourth Proportional to 2,405.09, 3,607.64 and 1,503.75

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Solution

The fourth proportional to 2,405.09, 3,607.64 and 1,503.75 is: 2,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.09 : 3,607.64 = 1,503.75 : x
  2. Step 2: Convert to fraction form
    2,405.09/3,607.64 = 1,503.75/x
  3. Step 3: Cross multiply
    2,405.09x = 3,607.64 × 1,503.75
  4. Step 4: Simplify right side
    2,405.09x = 5,424,988.65
  5. Step 5: Solve for x
    x = 5,424,988.65/2,405.09
  6. Step 6: Final answer
    x = 2,255.63

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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.