Home / 3,576.58-5,365.08-1,385.12

Finding the Fourth Proportional to 3,576.58, 5,365.08 and 1,385.12

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Solution

The fourth proportional to 3,576.58, 5,365.08 and 1,385.12 is: 2,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.58 : 5,365.08 = 1,385.12 : x
  2. Step 2: Convert to fraction form
    3,576.58/5,365.08 = 1,385.12/x
  3. Step 3: Cross multiply
    3,576.58x = 5,365.08 × 1,385.12
  4. Step 4: Simplify right side
    3,576.58x = 7,431,293.02
  5. Step 5: Solve for x
    x = 7,431,293.02/3,576.58
  6. Step 6: Final answer
    x = 2,077.77

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1.5x scale

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.