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Finding the Fourth Proportional to 1,941.94, 2,912.46 and 555.24

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Solution

The fourth proportional to 1,941.94, 2,912.46 and 555.24 is: 832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.94 : 2,912.46 = 555.24 : x
  2. Step 2: Convert to fraction form
    1,941.94/2,912.46 = 555.24/x
  3. Step 3: Cross multiply
    1,941.94x = 2,912.46 × 555.24
  4. Step 4: Simplify right side
    1,941.94x = 1,617,114.29
  5. Step 5: Solve for x
    x = 1,617,114.29/1,941.94
  6. Step 6: Final answer
    x = 832.73

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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.