Home / 3,436.75-4,742.80-1,864.84

Finding the Fourth Proportional to 3,436.75, 4,742.80 and 1,864.84

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Solution

The fourth proportional to 3,436.75, 4,742.80 and 1,864.84 is: 2,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.75 : 4,742.80 = 1,864.84 : x
  2. Step 2: Convert to fraction form
    3,436.75/4,742.80 = 1,864.84/x
  3. Step 3: Cross multiply
    3,436.75x = 4,742.80 × 1,864.84
  4. Step 4: Simplify right side
    3,436.75x = 8,844,546.63
  5. Step 5: Solve for x
    x = 8,844,546.63/3,436.75
  6. Step 6: Final answer
    x = 2,573.52

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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.