Home / 3,073.80-4,240.65-1,747.32

Finding the Fourth Proportional to 3,073.80, 4,240.65 and 1,747.32

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Solution

The fourth proportional to 3,073.80, 4,240.65 and 1,747.32 is: 2,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.80 : 4,240.65 = 1,747.32 : x
  2. Step 2: Convert to fraction form
    3,073.80/4,240.65 = 1,747.32/x
  3. Step 3: Cross multiply
    3,073.80x = 4,240.65 × 1,747.32
  4. Step 4: Simplify right side
    3,073.80x = 7,409,772.56
  5. Step 5: Solve for x
    x = 7,409,772.56/3,073.80
  6. Step 6: Final answer
    x = 2,410.62

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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.