Home / 3,043.36-4,198.80-1,864.72

Finding the Fourth Proportional to 3,043.36, 4,198.80 and 1,864.72

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Solution

The fourth proportional to 3,043.36, 4,198.80 and 1,864.72 is: 2,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.36 : 4,198.80 = 1,864.72 : x
  2. Step 2: Convert to fraction form
    3,043.36/4,198.80 = 1,864.72/x
  3. Step 3: Cross multiply
    3,043.36x = 4,198.80 × 1,864.72
  4. Step 4: Simplify right side
    3,043.36x = 7,829,586.34
  5. Step 5: Solve for x
    x = 7,829,586.34/3,043.36
  6. Step 6: Final answer
    x = 2,572.68

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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.