Home / 3,529.76-4,871.46-2,038.07

Finding the Fourth Proportional to 3,529.76, 4,871.46 and 2,038.07

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Solution

The fourth proportional to 3,529.76, 4,871.46 and 2,038.07 is: 2,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.76 : 4,871.46 = 2,038.07 : x
  2. Step 2: Convert to fraction form
    3,529.76/4,871.46 = 2,038.07/x
  3. Step 3: Cross multiply
    3,529.76x = 4,871.46 × 2,038.07
  4. Step 4: Simplify right side
    3,529.76x = 9,928,352.12
  5. Step 5: Solve for x
    x = 9,928,352.12/3,529.76
  6. Step 6: Final answer
    x = 2,812.76

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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.