Home / 3,043.31-4,561.70-1,287.91

Finding the Fourth Proportional to 3,043.31, 4,561.70 and 1,287.91

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Solution

The fourth proportional to 3,043.31, 4,561.70 and 1,287.91 is: 1,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.31 : 4,561.70 = 1,287.91 : x
  2. Step 2: Convert to fraction form
    3,043.31/4,561.70 = 1,287.91/x
  3. Step 3: Cross multiply
    3,043.31x = 4,561.70 × 1,287.91
  4. Step 4: Simplify right side
    3,043.31x = 5,875,041.20
  5. Step 5: Solve for x
    x = 5,875,041.20/3,043.31
  6. Step 6: Final answer
    x = 1,930.48

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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.