Home / 3,775.20-5,666.64-2,623.20

Finding the Fourth Proportional to 3,775.20, 5,666.64 and 2,623.20

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Solution

The fourth proportional to 3,775.20, 5,666.64 and 2,623.20 is: 3,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.20 : 5,666.64 = 2,623.20 : x
  2. Step 2: Convert to fraction form
    3,775.20/5,666.64 = 2,623.20/x
  3. Step 3: Cross multiply
    3,775.20x = 5,666.64 × 2,623.20
  4. Step 4: Simplify right side
    3,775.20x = 14,864,730.05
  5. Step 5: Solve for x
    x = 14,864,730.05/3,775.20
  6. Step 6: Final answer
    x = 3,937.47

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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.