Home / 3,405.33-4,697.75-2,913.26

Finding the Fourth Proportional to 3,405.33, 4,697.75 and 2,913.26

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Solution

The fourth proportional to 3,405.33, 4,697.75 and 2,913.26 is: 4,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.33 : 4,697.75 = 2,913.26 : x
  2. Step 2: Convert to fraction form
    3,405.33/4,697.75 = 2,913.26/x
  3. Step 3: Cross multiply
    3,405.33x = 4,697.75 × 2,913.26
  4. Step 4: Simplify right side
    3,405.33x = 13,685,729.11
  5. Step 5: Solve for x
    x = 13,685,729.11/3,405.33
  6. Step 6: Final answer
    x = 4,018.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.