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Finding the Fourth Proportional to 2,904.53, 4,356.45 and 956.25

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Solution

The fourth proportional to 2,904.53, 4,356.45 and 956.25 is: 1,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.53 : 4,356.45 = 956.25 : x
  2. Step 2: Convert to fraction form
    2,904.53/4,356.45 = 956.25/x
  3. Step 3: Cross multiply
    2,904.53x = 4,356.45 × 956.25
  4. Step 4: Simplify right side
    2,904.53x = 4,165,855.31
  5. Step 5: Solve for x
    x = 4,165,855.31/2,904.53
  6. Step 6: Final answer
    x = 1,434.26

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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.