Home / 2,072.08-2,859.24-1,409.77

Finding the Fourth Proportional to 2,072.08, 2,859.24 and 1,409.77

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Solution

The fourth proportional to 2,072.08, 2,859.24 and 1,409.77 is: 1,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.08 : 2,859.24 = 1,409.77 : x
  2. Step 2: Convert to fraction form
    2,072.08/2,859.24 = 1,409.77/x
  3. Step 3: Cross multiply
    2,072.08x = 2,859.24 × 1,409.77
  4. Step 4: Simplify right side
    2,072.08x = 4,030,870.77
  5. Step 5: Solve for x
    x = 4,030,870.77/2,072.08
  6. Step 6: Final answer
    x = 1,945.33

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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.