Home / 3,530.20-4,871.64-2,038.10

Finding the Fourth Proportional to 3,530.20, 4,871.64 and 2,038.10

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Solution

The fourth proportional to 3,530.20, 4,871.64 and 2,038.10 is: 2,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.20 : 4,871.64 = 2,038.10 : x
  2. Step 2: Convert to fraction form
    3,530.20/4,871.64 = 2,038.10/x
  3. Step 3: Cross multiply
    3,530.20x = 4,871.64 × 2,038.10
  4. Step 4: Simplify right side
    3,530.20x = 9,928,889.48
  5. Step 5: Solve for x
    x = 9,928,889.48/3,530.20
  6. Step 6: Final answer
    x = 2,812.56

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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.