Home / 3,530.79-4,872.52-2,038.96

Finding the Fourth Proportional to 3,530.79, 4,872.52 and 2,038.96

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Solution

The fourth proportional to 3,530.79, 4,872.52 and 2,038.96 is: 2,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.79 : 4,872.52 = 2,038.96 : x
  2. Step 2: Convert to fraction form
    3,530.79/4,872.52 = 2,038.96/x
  3. Step 3: Cross multiply
    3,530.79x = 4,872.52 × 2,038.96
  4. Step 4: Simplify right side
    3,530.79x = 9,934,882.02
  5. Step 5: Solve for x
    x = 9,934,882.02/3,530.79
  6. Step 6: Final answer
    x = 2,813.78

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1.5x scale

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.