Home / 3,515.21-5,267.60-1,539.01

Finding the Fourth Proportional to 3,515.21, 5,267.60 and 1,539.01

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Solution

The fourth proportional to 3,515.21, 5,267.60 and 1,539.01 is: 2,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.21 : 5,267.60 = 1,539.01 : x
  2. Step 2: Convert to fraction form
    3,515.21/5,267.60 = 1,539.01/x
  3. Step 3: Cross multiply
    3,515.21x = 5,267.60 × 1,539.01
  4. Step 4: Simplify right side
    3,515.21x = 8,106,862.74
  5. Step 5: Solve for x
    x = 8,106,862.74/3,515.21
  6. Step 6: Final answer
    x = 2,306.23

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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.