Home / 3,517.49-5,271.68-1,435.12

Finding the Fourth Proportional to 3,517.49, 5,271.68 and 1,435.12

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Solution

The fourth proportional to 3,517.49, 5,271.68 and 1,435.12 is: 2,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.49 : 5,271.68 = 1,435.12 : x
  2. Step 2: Convert to fraction form
    3,517.49/5,271.68 = 1,435.12/x
  3. Step 3: Cross multiply
    3,517.49x = 5,271.68 × 1,435.12
  4. Step 4: Simplify right side
    3,517.49x = 7,565,483.81
  5. Step 5: Solve for x
    x = 7,565,483.81/3,517.49
  6. Step 6: Final answer
    x = 2,150.82

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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.