Home / 2,623.14-3,931.86-1,324.70

Finding the Fourth Proportional to 2,623.14, 3,931.86 and 1,324.70

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Solution

The fourth proportional to 2,623.14, 3,931.86 and 1,324.70 is: 1,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.14 : 3,931.86 = 1,324.70 : x
  2. Step 2: Convert to fraction form
    2,623.14/3,931.86 = 1,324.70/x
  3. Step 3: Cross multiply
    2,623.14x = 3,931.86 × 1,324.70
  4. Step 4: Simplify right side
    2,623.14x = 5,208,534.94
  5. Step 5: Solve for x
    x = 5,208,534.94/2,623.14
  6. Step 6: Final answer
    x = 1,985.61

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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.