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Finding the Fourth Proportional to 2,124.33, 3,187.26 and 954.24

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Solution

The fourth proportional to 2,124.33, 3,187.26 and 954.24 is: 1,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.33 : 3,187.26 = 954.24 : x
  2. Step 2: Convert to fraction form
    2,124.33/3,187.26 = 954.24/x
  3. Step 3: Cross multiply
    2,124.33x = 3,187.26 × 954.24
  4. Step 4: Simplify right side
    2,124.33x = 3,041,410.98
  5. Step 5: Solve for x
    x = 3,041,410.98/2,124.33
  6. Step 6: Final answer
    x = 1,431.70

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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.