Home / 3,127.70-4,687.44-1,740.32

Finding the Fourth Proportional to 3,127.70, 4,687.44 and 1,740.32

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Solution

The fourth proportional to 3,127.70, 4,687.44 and 1,740.32 is: 2,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.70 : 4,687.44 = 1,740.32 : x
  2. Step 2: Convert to fraction form
    3,127.70/4,687.44 = 1,740.32/x
  3. Step 3: Cross multiply
    3,127.70x = 4,687.44 × 1,740.32
  4. Step 4: Simplify right side
    3,127.70x = 8,157,622.14
  5. Step 5: Solve for x
    x = 8,157,622.14/3,127.70
  6. Step 6: Final answer
    x = 2,608.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.