Home / 3,428.26-4,729.10-2,307.22

Finding the Fourth Proportional to 3,428.26, 4,729.10 and 2,307.22

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Solution

The fourth proportional to 3,428.26, 4,729.10 and 2,307.22 is: 3,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.26 : 4,729.10 = 2,307.22 : x
  2. Step 2: Convert to fraction form
    3,428.26/4,729.10 = 2,307.22/x
  3. Step 3: Cross multiply
    3,428.26x = 4,729.10 × 2,307.22
  4. Step 4: Simplify right side
    3,428.26x = 10,911,074.10
  5. Step 5: Solve for x
    x = 10,911,074.10/3,428.26
  6. Step 6: Final answer
    x = 3,182.69

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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.