Home / 4,139.21-5,711.50-2,370.53

Finding the Fourth Proportional to 4,139.21, 5,711.50 and 2,370.53

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Solution

The fourth proportional to 4,139.21, 5,711.50 and 2,370.53 is: 3,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.21 : 5,711.50 = 2,370.53 : x
  2. Step 2: Convert to fraction form
    4,139.21/5,711.50 = 2,370.53/x
  3. Step 3: Cross multiply
    4,139.21x = 5,711.50 × 2,370.53
  4. Step 4: Simplify right side
    4,139.21x = 13,539,282.10
  5. Step 5: Solve for x
    x = 13,539,282.10/4,139.21
  6. Step 6: Final answer
    x = 3,270.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.