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Finding the Fourth Proportional to 2,904.28, 4,356.94 and 956.60

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Solution

The fourth proportional to 2,904.28, 4,356.94 and 956.60 is: 1,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.28 : 4,356.94 = 956.60 : x
  2. Step 2: Convert to fraction form
    2,904.28/4,356.94 = 956.60/x
  3. Step 3: Cross multiply
    2,904.28x = 4,356.94 × 956.60
  4. Step 4: Simplify right side
    2,904.28x = 4,167,848.80
  5. Step 5: Solve for x
    x = 4,167,848.80/2,904.28
  6. Step 6: Final answer
    x = 1,435.07

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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.