Home / 2,385.08-3,576.94-923.40

Finding the Fourth Proportional to 2,385.08, 3,576.94 and 923.40

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Solution

The fourth proportional to 2,385.08, 3,576.94 and 923.40 is: 1,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.08 : 3,576.94 = 923.40 : x
  2. Step 2: Convert to fraction form
    2,385.08/3,576.94 = 923.40/x
  3. Step 3: Cross multiply
    2,385.08x = 3,576.94 × 923.40
  4. Step 4: Simplify right side
    2,385.08x = 3,302,946.40
  5. Step 5: Solve for x
    x = 3,302,946.40/2,385.08
  6. Step 6: Final answer
    x = 1,384.84

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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.