Home / 3,529.86-4,871.70-2,538.42

Finding the Fourth Proportional to 3,529.86, 4,871.70 and 2,538.42

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Solution

The fourth proportional to 3,529.86, 4,871.70 and 2,538.42 is: 3,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.86 : 4,871.70 = 2,538.42 : x
  2. Step 2: Convert to fraction form
    3,529.86/4,871.70 = 2,538.42/x
  3. Step 3: Cross multiply
    3,529.86x = 4,871.70 × 2,538.42
  4. Step 4: Simplify right side
    3,529.86x = 12,366,420.71
  5. Step 5: Solve for x
    x = 12,366,420.71/3,529.86
  6. Step 6: Final answer
    x = 3,503.37

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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.