Home / 3,412.64-4,708.32-2,085.92

Finding the Fourth Proportional to 3,412.64, 4,708.32 and 2,085.92

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Solution

The fourth proportional to 3,412.64, 4,708.32 and 2,085.92 is: 2,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.64 : 4,708.32 = 2,085.92 : x
  2. Step 2: Convert to fraction form
    3,412.64/4,708.32 = 2,085.92/x
  3. Step 3: Cross multiply
    3,412.64x = 4,708.32 × 2,085.92
  4. Step 4: Simplify right side
    3,412.64x = 9,821,178.85
  5. Step 5: Solve for x
    x = 9,821,178.85/3,412.64
  6. Step 6: Final answer
    x = 2,877.88

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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.