Home / 2,905.49-4,360.09-1,056.43

Finding the Fourth Proportional to 2,905.49, 4,360.09 and 1,056.43

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Solution

The fourth proportional to 2,905.49, 4,360.09 and 1,056.43 is: 1,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.49 : 4,360.09 = 1,056.43 : x
  2. Step 2: Convert to fraction form
    2,905.49/4,360.09 = 1,056.43/x
  3. Step 3: Cross multiply
    2,905.49x = 4,360.09 × 1,056.43
  4. Step 4: Simplify right side
    2,905.49x = 4,606,102.80
  5. Step 5: Solve for x
    x = 4,606,102.80/2,905.49
  6. Step 6: Final answer
    x = 1,585.31

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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.