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Finding the Fourth Proportional to 2,463.64, 3,695.80 and 904.42

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Solution

The fourth proportional to 2,463.64, 3,695.80 and 904.42 is: 1,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.64 : 3,695.80 = 904.42 : x
  2. Step 2: Convert to fraction form
    2,463.64/3,695.80 = 904.42/x
  3. Step 3: Cross multiply
    2,463.64x = 3,695.80 × 904.42
  4. Step 4: Simplify right side
    2,463.64x = 3,342,541.25
  5. Step 5: Solve for x
    x = 3,342,541.25/2,463.64
  6. Step 6: Final answer
    x = 1,356.75

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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.