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Finding the Fourth Proportional to 2,904.88, 4,356.84 and 956.80

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Solution

The fourth proportional to 2,904.88, 4,356.84 and 956.80 is: 1,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.88 : 4,356.84 = 956.80 : x
  2. Step 2: Convert to fraction form
    2,904.88/4,356.84 = 956.80/x
  3. Step 3: Cross multiply
    2,904.88x = 4,356.84 × 956.80
  4. Step 4: Simplify right side
    2,904.88x = 4,168,624.51
  5. Step 5: Solve for x
    x = 4,168,624.51/2,904.88
  6. Step 6: Final answer
    x = 1,435.04

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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.