Home / 3,415.63-5,124.25-1,107.13

Finding the Fourth Proportional to 3,415.63, 5,124.25 and 1,107.13

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Solution

The fourth proportional to 3,415.63, 5,124.25 and 1,107.13 is: 1,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.63 : 5,124.25 = 1,107.13 : x
  2. Step 2: Convert to fraction form
    3,415.63/5,124.25 = 1,107.13/x
  3. Step 3: Cross multiply
    3,415.63x = 5,124.25 × 1,107.13
  4. Step 4: Simplify right side
    3,415.63x = 5,673,210.90
  5. Step 5: Solve for x
    x = 5,673,210.90/3,415.63
  6. Step 6: Final answer
    x = 1,660.96

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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.