Home / 2,100.19-3,150.28-1,004.29

Finding the Fourth Proportional to 2,100.19, 3,150.28 and 1,004.29

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Solution

The fourth proportional to 2,100.19, 3,150.28 and 1,004.29 is: 1,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.19 : 3,150.28 = 1,004.29 : x
  2. Step 2: Convert to fraction form
    2,100.19/3,150.28 = 1,004.29/x
  3. Step 3: Cross multiply
    2,100.19x = 3,150.28 × 1,004.29
  4. Step 4: Simplify right side
    2,100.19x = 3,163,794.70
  5. Step 5: Solve for x
    x = 3,163,794.70/2,100.19
  6. Step 6: Final answer
    x = 1,506.43

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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.