Home / 4,107.30-6,159.15-1,641.30

Finding the Fourth Proportional to 4,107.30, 6,159.15 and 1,641.30

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Solution

The fourth proportional to 4,107.30, 6,159.15 and 1,641.30 is: 2,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.30 : 6,159.15 = 1,641.30 : x
  2. Step 2: Convert to fraction form
    4,107.30/6,159.15 = 1,641.30/x
  3. Step 3: Cross multiply
    4,107.30x = 6,159.15 × 1,641.30
  4. Step 4: Simplify right side
    4,107.30x = 10,109,012.90
  5. Step 5: Solve for x
    x = 10,109,012.90/4,107.30
  6. Step 6: Final answer
    x = 2,461.23

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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.