Home / 3,435.20-5,152.79-1,354.08

Finding the Fourth Proportional to 3,435.20, 5,152.79 and 1,354.08

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Solution

The fourth proportional to 3,435.20, 5,152.79 and 1,354.08 is: 2,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.20 : 5,152.79 = 1,354.08 : x
  2. Step 2: Convert to fraction form
    3,435.20/5,152.79 = 1,354.08/x
  3. Step 3: Cross multiply
    3,435.20x = 5,152.79 × 1,354.08
  4. Step 4: Simplify right side
    3,435.20x = 6,977,293.27
  5. Step 5: Solve for x
    x = 6,977,293.27/3,435.20
  6. Step 6: Final answer
    x = 2,031.12

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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.