Home / 1,864.56-2,794.70-1,043.20

Finding the Fourth Proportional to 1,864.56, 2,794.70 and 1,043.20

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Solution

The fourth proportional to 1,864.56, 2,794.70 and 1,043.20 is: 1,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.56 : 2,794.70 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    1,864.56/2,794.70 = 1,043.20/x
  3. Step 3: Cross multiply
    1,864.56x = 2,794.70 × 1,043.20
  4. Step 4: Simplify right side
    1,864.56x = 2,915,431.04
  5. Step 5: Solve for x
    x = 2,915,431.04/1,864.56
  6. Step 6: Final answer
    x = 1,563.60

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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.