Home / 2,860.08-3,946.92-1,601.19

Finding the Fourth Proportional to 2,860.08, 3,946.92 and 1,601.19

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Solution

The fourth proportional to 2,860.08, 3,946.92 and 1,601.19 is: 2,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.08 : 3,946.92 = 1,601.19 : x
  2. Step 2: Convert to fraction form
    2,860.08/3,946.92 = 1,601.19/x
  3. Step 3: Cross multiply
    2,860.08x = 3,946.92 × 1,601.19
  4. Step 4: Simplify right side
    2,860.08x = 6,319,768.83
  5. Step 5: Solve for x
    x = 6,319,768.83/2,860.08
  6. Step 6: Final answer
    x = 2,209.65

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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.