Home / 2,576.22-3,551.95-2,103.63

Finding the Fourth Proportional to 2,576.22, 3,551.95 and 2,103.63

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Solution

The fourth proportional to 2,576.22, 3,551.95 and 2,103.63 is: 2,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.22 : 3,551.95 = 2,103.63 : x
  2. Step 2: Convert to fraction form
    2,576.22/3,551.95 = 2,103.63/x
  3. Step 3: Cross multiply
    2,576.22x = 3,551.95 × 2,103.63
  4. Step 4: Simplify right side
    2,576.22x = 7,471,988.58
  5. Step 5: Solve for x
    x = 7,471,988.58/2,576.22
  6. Step 6: Final answer
    x = 2,900.37

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Half scale
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Double scale
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1.5x scale

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.