Home / 4,109.04-5,672.34-2,619

Finding the Fourth Proportional to 4,109.04, 5,672.34 and 2,619

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Solution

The fourth proportional to 4,109.04, 5,672.34 and 2,619 is: 3,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.04 : 5,672.34 = 2,619 : x
  2. Step 2: Convert to fraction form
    4,109.04/5,672.34 = 2,619/x
  3. Step 3: Cross multiply
    4,109.04x = 5,672.34 × 2,619
  4. Step 4: Simplify right side
    4,109.04x = 14,855,858.46
  5. Step 5: Solve for x
    x = 14,855,858.46/4,109.04
  6. Step 6: Final answer
    x = 3,615.41

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1.5x scale

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.