Home / 1,921.47-2,880.58-604.41

Finding the Fourth Proportional to 1,921.47, 2,880.58 and 604.41

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Solution

The fourth proportional to 1,921.47, 2,880.58 and 604.41 is: 906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.47 : 2,880.58 = 604.41 : x
  2. Step 2: Convert to fraction form
    1,921.47/2,880.58 = 604.41/x
  3. Step 3: Cross multiply
    1,921.47x = 2,880.58 × 604.41
  4. Step 4: Simplify right side
    1,921.47x = 1,741,056.38
  5. Step 5: Solve for x
    x = 1,741,056.38/1,921.47
  6. Step 6: Final answer
    x = 906.11

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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.