Home / 3,069.58-4,235.28-1,810.54

Finding the Fourth Proportional to 3,069.58, 4,235.28 and 1,810.54

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Solution

The fourth proportional to 3,069.58, 4,235.28 and 1,810.54 is: 2,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.58 : 4,235.28 = 1,810.54 : x
  2. Step 2: Convert to fraction form
    3,069.58/4,235.28 = 1,810.54/x
  3. Step 3: Cross multiply
    3,069.58x = 4,235.28 × 1,810.54
  4. Step 4: Simplify right side
    3,069.58x = 7,668,143.85
  5. Step 5: Solve for x
    x = 7,668,143.85/3,069.58
  6. Step 6: Final answer
    x = 2,498.11

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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.