Home / 2,006.09-3,004.52-1,390.23

Finding the Fourth Proportional to 2,006.09, 3,004.52 and 1,390.23

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Solution

The fourth proportional to 2,006.09, 3,004.52 and 1,390.23 is: 2,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.09 : 3,004.52 = 1,390.23 : x
  2. Step 2: Convert to fraction form
    2,006.09/3,004.52 = 1,390.23/x
  3. Step 3: Cross multiply
    2,006.09x = 3,004.52 × 1,390.23
  4. Step 4: Simplify right side
    2,006.09x = 4,176,973.84
  5. Step 5: Solve for x
    x = 4,176,973.84/2,006.09
  6. Step 6: Final answer
    x = 2,082.15

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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.