Home / 2,124.18-3,186.09-954.27

Finding the Fourth Proportional to 2,124.18, 3,186.09 and 954.27

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Solution

The fourth proportional to 2,124.18, 3,186.09 and 954.27 is: 1,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.18 : 3,186.09 = 954.27 : x
  2. Step 2: Convert to fraction form
    2,124.18/3,186.09 = 954.27/x
  3. Step 3: Cross multiply
    2,124.18x = 3,186.09 × 954.27
  4. Step 4: Simplify right side
    2,124.18x = 3,040,390.10
  5. Step 5: Solve for x
    x = 3,040,390.10/2,124.18
  6. Step 6: Final answer
    x = 1,431.32

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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.