Home / 3,576.08-5,364.40-1,237.20

Finding the Fourth Proportional to 3,576.08, 5,364.40 and 1,237.20

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Solution

The fourth proportional to 3,576.08, 5,364.40 and 1,237.20 is: 1,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.08 : 5,364.40 = 1,237.20 : x
  2. Step 2: Convert to fraction form
    3,576.08/5,364.40 = 1,237.20/x
  3. Step 3: Cross multiply
    3,576.08x = 5,364.40 × 1,237.20
  4. Step 4: Simplify right side
    3,576.08x = 6,636,835.68
  5. Step 5: Solve for x
    x = 6,636,835.68/3,576.08
  6. Step 6: Final answer
    x = 1,855.90

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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.