Home / 3,530.86-5,298-1,452.40

Finding the Fourth Proportional to 3,530.86, 5,298 and 1,452.40

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Solution

The fourth proportional to 3,530.86, 5,298 and 1,452.40 is: 2,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.86 : 5,298 = 1,452.40 : x
  2. Step 2: Convert to fraction form
    3,530.86/5,298 = 1,452.40/x
  3. Step 3: Cross multiply
    3,530.86x = 5,298 × 1,452.40
  4. Step 4: Simplify right side
    3,530.86x = 7,694,815.20
  5. Step 5: Solve for x
    x = 7,694,815.20/3,530.86
  6. Step 6: Final answer
    x = 2,179.30

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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.