Home / 4,107.92-5,671.01-2,429.80

Finding the Fourth Proportional to 4,107.92, 5,671.01 and 2,429.80

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Solution

The fourth proportional to 4,107.92, 5,671.01 and 2,429.80 is: 3,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.92 : 5,671.01 = 2,429.80 : x
  2. Step 2: Convert to fraction form
    4,107.92/5,671.01 = 2,429.80/x
  3. Step 3: Cross multiply
    4,107.92x = 5,671.01 × 2,429.80
  4. Step 4: Simplify right side
    4,107.92x = 13,779,411.99
  5. Step 5: Solve for x
    x = 13,779,411.99/4,107.92
  6. Step 6: Final answer
    x = 3,354.36

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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.