Home / 3,530.05-4,871.72-2,038.08

Finding the Fourth Proportional to 3,530.05, 4,871.72 and 2,038.08

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Solution

The fourth proportional to 3,530.05, 4,871.72 and 2,038.08 is: 2,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.05 : 4,871.72 = 2,038.08 : x
  2. Step 2: Convert to fraction form
    3,530.05/4,871.72 = 2,038.08/x
  3. Step 3: Cross multiply
    3,530.05x = 4,871.72 × 2,038.08
  4. Step 4: Simplify right side
    3,530.05x = 9,928,955.10
  5. Step 5: Solve for x
    x = 9,928,955.10/3,530.05
  6. Step 6: Final answer
    x = 2,812.70

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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.