Home / 3,225.10-4,837.65-1,929.10

Finding the Fourth Proportional to 3,225.10, 4,837.65 and 1,929.10

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Solution

The fourth proportional to 3,225.10, 4,837.65 and 1,929.10 is: 2,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.10 : 4,837.65 = 1,929.10 : x
  2. Step 2: Convert to fraction form
    3,225.10/4,837.65 = 1,929.10/x
  3. Step 3: Cross multiply
    3,225.10x = 4,837.65 × 1,929.10
  4. Step 4: Simplify right side
    3,225.10x = 9,332,310.62
  5. Step 5: Solve for x
    x = 9,332,310.62/3,225.10
  6. Step 6: Final answer
    x = 2,893.65

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1.5x scale

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.