Home / 2,709.23-4,055.57-1,782.95

Finding the Fourth Proportional to 2,709.23, 4,055.57 and 1,782.95

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Solution

The fourth proportional to 2,709.23, 4,055.57 and 1,782.95 is: 2,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.23 : 4,055.57 = 1,782.95 : x
  2. Step 2: Convert to fraction form
    2,709.23/4,055.57 = 1,782.95/x
  3. Step 3: Cross multiply
    2,709.23x = 4,055.57 × 1,782.95
  4. Step 4: Simplify right side
    2,709.23x = 7,230,869.62
  5. Step 5: Solve for x
    x = 7,230,869.62/2,709.23
  6. Step 6: Final answer
    x = 2,668.98

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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.