Home / 2,274.85-3,412.29-693.59

Finding the Fourth Proportional to 2,274.85, 3,412.29 and 693.59

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Solution

The fourth proportional to 2,274.85, 3,412.29 and 693.59 is: 1,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.85 : 3,412.29 = 693.59 : x
  2. Step 2: Convert to fraction form
    2,274.85/3,412.29 = 693.59/x
  3. Step 3: Cross multiply
    2,274.85x = 3,412.29 × 693.59
  4. Step 4: Simplify right side
    2,274.85x = 2,366,730.22
  5. Step 5: Solve for x
    x = 2,366,730.22/2,274.85
  6. Step 6: Final answer
    x = 1,040.39

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1.5x scale

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.