Home / 2,429.08-3,352.32-1,381.24

Finding the Fourth Proportional to 2,429.08, 3,352.32 and 1,381.24

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Solution

The fourth proportional to 2,429.08, 3,352.32 and 1,381.24 is: 1,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.08 : 3,352.32 = 1,381.24 : x
  2. Step 2: Convert to fraction form
    2,429.08/3,352.32 = 1,381.24/x
  3. Step 3: Cross multiply
    2,429.08x = 3,352.32 × 1,381.24
  4. Step 4: Simplify right side
    2,429.08x = 4,630,358.48
  5. Step 5: Solve for x
    x = 4,630,358.48/2,429.08
  6. Step 6: Final answer
    x = 1,906.22

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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.