Home / 2,623.54-3,937.74-1,325.92

Finding the Fourth Proportional to 2,623.54, 3,937.74 and 1,325.92

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Solution

The fourth proportional to 2,623.54, 3,937.74 and 1,325.92 is: 1,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.54 : 3,937.74 = 1,325.92 : x
  2. Step 2: Convert to fraction form
    2,623.54/3,937.74 = 1,325.92/x
  3. Step 3: Cross multiply
    2,623.54x = 3,937.74 × 1,325.92
  4. Step 4: Simplify right side
    2,623.54x = 5,221,128.22
  5. Step 5: Solve for x
    x = 5,221,128.22/2,623.54
  6. Step 6: Final answer
    x = 1,990.11

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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.