Home / 1,867.10-2,576.03-1,081.00

Finding the Fourth Proportional to 1,867.10, 2,576.03 and 1,081.00

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Solution

The fourth proportional to 1,867.10, 2,576.03 and 1,081.00 is: 1,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.10 : 2,576.03 = 1,081.00 : x
  2. Step 2: Convert to fraction form
    1,867.10/2,576.03 = 1,081.00/x
  3. Step 3: Cross multiply
    1,867.10x = 2,576.03 × 1,081.00
  4. Step 4: Simplify right side
    1,867.10x = 2,784,674.80
  5. Step 5: Solve for x
    x = 2,784,674.80/1,867.10
  6. Step 6: Final answer
    x = 1,491.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.