Home / 3,515.31-5,271.52-1,433.91

Finding the Fourth Proportional to 3,515.31, 5,271.52 and 1,433.91

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Solution

The fourth proportional to 3,515.31, 5,271.52 and 1,433.91 is: 2,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.31 : 5,271.52 = 1,433.91 : x
  2. Step 2: Convert to fraction form
    3,515.31/5,271.52 = 1,433.91/x
  3. Step 3: Cross multiply
    3,515.31x = 5,271.52 × 1,433.91
  4. Step 4: Simplify right side
    3,515.31x = 7,558,885.24
  5. Step 5: Solve for x
    x = 7,558,885.24/3,515.31
  6. Step 6: Final answer
    x = 2,150.28

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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.