Home / 3,529.75-4,871.45-2,038.07

Finding the Fourth Proportional to 3,529.75, 4,871.45 and 2,038.07

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Solution

The fourth proportional to 3,529.75, 4,871.45 and 2,038.07 is: 2,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.75 : 4,871.45 = 2,038.07 : x
  2. Step 2: Convert to fraction form
    3,529.75/4,871.45 = 2,038.07/x
  3. Step 3: Cross multiply
    3,529.75x = 4,871.45 × 2,038.07
  4. Step 4: Simplify right side
    3,529.75x = 9,928,356.10
  5. Step 5: Solve for x
    x = 9,928,356.10/3,529.75
  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.