Home / 3,778.54-5,664.56-1,437.24

Finding the Fourth Proportional to 3,778.54, 5,664.56 and 1,437.24

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Solution

The fourth proportional to 3,778.54, 5,664.56 and 1,437.24 is: 2,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.54 : 5,664.56 = 1,437.24 : x
  2. Step 2: Convert to fraction form
    3,778.54/5,664.56 = 1,437.24/x
  3. Step 3: Cross multiply
    3,778.54x = 5,664.56 × 1,437.24
  4. Step 4: Simplify right side
    3,778.54x = 8,141,332.21
  5. Step 5: Solve for x
    x = 8,141,332.21/3,778.54
  6. Step 6: Final answer
    x = 2,154.62

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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.