Home / 3,432.08-5,145.52-1,210.32

Finding the Fourth Proportional to 3,432.08, 5,145.52 and 1,210.32

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Solution

The fourth proportional to 3,432.08, 5,145.52 and 1,210.32 is: 1,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.08 : 5,145.52 = 1,210.32 : x
  2. Step 2: Convert to fraction form
    3,432.08/5,145.52 = 1,210.32/x
  3. Step 3: Cross multiply
    3,432.08x = 5,145.52 × 1,210.32
  4. Step 4: Simplify right side
    3,432.08x = 6,227,725.77
  5. Step 5: Solve for x
    x = 6,227,725.77/3,432.08
  6. Step 6: Final answer
    x = 1,814.56

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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.