Home / 2,127.09-3,190.47-957.16

Finding the Fourth Proportional to 2,127.09, 3,190.47 and 957.16

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Solution

The fourth proportional to 2,127.09, 3,190.47 and 957.16 is: 1,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.09 : 3,190.47 = 957.16 : x
  2. Step 2: Convert to fraction form
    2,127.09/3,190.47 = 957.16/x
  3. Step 3: Cross multiply
    2,127.09x = 3,190.47 × 957.16
  4. Step 4: Simplify right side
    2,127.09x = 3,053,790.27
  5. Step 5: Solve for x
    x = 3,053,790.27/2,127.09
  6. Step 6: Final answer
    x = 1,435.67

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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.