Home / 1,867.50-2,576.52-1,081.26

Finding the Fourth Proportional to 1,867.50, 2,576.52 and 1,081.26

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Solution

The fourth proportional to 1,867.50, 2,576.52 and 1,081.26 is: 1,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.50 : 2,576.52 = 1,081.26 : x
  2. Step 2: Convert to fraction form
    1,867.50/2,576.52 = 1,081.26/x
  3. Step 3: Cross multiply
    1,867.50x = 2,576.52 × 1,081.26
  4. Step 4: Simplify right side
    1,867.50x = 2,785,888.02
  5. Step 5: Solve for x
    x = 2,785,888.02/1,867.50
  6. Step 6: Final answer
    x = 1,491.77

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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.