Home / 3,069.56-4,235.99-1,672.32

Finding the Fourth Proportional to 3,069.56, 4,235.99 and 1,672.32

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Solution

The fourth proportional to 3,069.56, 4,235.99 and 1,672.32 is: 2,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.56 : 4,235.99 = 1,672.32 : x
  2. Step 2: Convert to fraction form
    3,069.56/4,235.99 = 1,672.32/x
  3. Step 3: Cross multiply
    3,069.56x = 4,235.99 × 1,672.32
  4. Step 4: Simplify right side
    3,069.56x = 7,083,930.80
  5. Step 5: Solve for x
    x = 7,083,930.80/3,069.56
  6. Step 6: Final answer
    x = 2,307.80

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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.