Home / 1,941.46-2,912.62-554.80

Finding the Fourth Proportional to 1,941.46, 2,912.62 and 554.80

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Solution

The fourth proportional to 1,941.46, 2,912.62 and 554.80 is: 832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.46 : 2,912.62 = 554.80 : x
  2. Step 2: Convert to fraction form
    1,941.46/2,912.62 = 554.80/x
  3. Step 3: Cross multiply
    1,941.46x = 2,912.62 × 554.80
  4. Step 4: Simplify right side
    1,941.46x = 1,615,921.58
  5. Step 5: Solve for x
    x = 1,615,921.58/1,941.46
  6. Step 6: Final answer
    x = 832.32

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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.