Home / 3,518.34-5,274.59-1,325.86

Finding the Fourth Proportional to 3,518.34, 5,274.59 and 1,325.86

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Solution

The fourth proportional to 3,518.34, 5,274.59 and 1,325.86 is: 1,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.34 : 5,274.59 = 1,325.86 : x
  2. Step 2: Convert to fraction form
    3,518.34/5,274.59 = 1,325.86/x
  3. Step 3: Cross multiply
    3,518.34x = 5,274.59 × 1,325.86
  4. Step 4: Simplify right side
    3,518.34x = 6,993,367.90
  5. Step 5: Solve for x
    x = 6,993,367.90/3,518.34
  6. Step 6: Final answer
    x = 1,987.69

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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.