Home / 4,134.57-5,700.40-2,639.98

Finding the Fourth Proportional to 4,134.57, 5,700.40 and 2,639.98

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Solution

The fourth proportional to 4,134.57, 5,700.40 and 2,639.98 is: 3,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.57 : 5,700.40 = 2,639.98 : x
  2. Step 2: Convert to fraction form
    4,134.57/5,700.40 = 2,639.98/x
  3. Step 3: Cross multiply
    4,134.57x = 5,700.40 × 2,639.98
  4. Step 4: Simplify right side
    4,134.57x = 15,048,941.99
  5. Step 5: Solve for x
    x = 15,048,941.99/4,134.57
  6. Step 6: Final answer
    x = 3,639.78

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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.