Home / 2,872.08-4,308.12-2,358

Finding the Fourth Proportional to 2,872.08, 4,308.12 and 2,358

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Solution

The fourth proportional to 2,872.08, 4,308.12 and 2,358 is: 3,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.08 : 4,308.12 = 2,358 : x
  2. Step 2: Convert to fraction form
    2,872.08/4,308.12 = 2,358/x
  3. Step 3: Cross multiply
    2,872.08x = 4,308.12 × 2,358
  4. Step 4: Simplify right side
    2,872.08x = 10,158,546.96
  5. Step 5: Solve for x
    x = 10,158,546.96/2,872.08
  6. Step 6: Final answer
    x = 3,537.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.