Home / 2,429.21-3,352.97-1,434.85

Finding the Fourth Proportional to 2,429.21, 3,352.97 and 1,434.85

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Solution

The fourth proportional to 2,429.21, 3,352.97 and 1,434.85 is: 1,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.21 : 3,352.97 = 1,434.85 : x
  2. Step 2: Convert to fraction form
    2,429.21/3,352.97 = 1,434.85/x
  3. Step 3: Cross multiply
    2,429.21x = 3,352.97 × 1,434.85
  4. Step 4: Simplify right side
    2,429.21x = 4,811,004.21
  5. Step 5: Solve for x
    x = 4,811,004.21/2,429.21
  6. Step 6: Final answer
    x = 1,980.48

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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.