Home / 4,119.34-5,685.09-2,351.21

Finding the Fourth Proportional to 4,119.34, 5,685.09 and 2,351.21

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Solution

The fourth proportional to 4,119.34, 5,685.09 and 2,351.21 is: 3,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.34 : 5,685.09 = 2,351.21 : x
  2. Step 2: Convert to fraction form
    4,119.34/5,685.09 = 2,351.21/x
  3. Step 3: Cross multiply
    4,119.34x = 5,685.09 × 2,351.21
  4. Step 4: Simplify right side
    4,119.34x = 13,366,840.46
  5. Step 5: Solve for x
    x = 13,366,840.46/4,119.34
  6. Step 6: Final answer
    x = 3,244.90

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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.