Home / 3,221.90-4,832.69-1,030.53

Finding the Fourth Proportional to 3,221.90, 4,832.69 and 1,030.53

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Solution

The fourth proportional to 3,221.90, 4,832.69 and 1,030.53 is: 1,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.90 : 4,832.69 = 1,030.53 : x
  2. Step 2: Convert to fraction form
    3,221.90/4,832.69 = 1,030.53/x
  3. Step 3: Cross multiply
    3,221.90x = 4,832.69 × 1,030.53
  4. Step 4: Simplify right side
    3,221.90x = 4,980,226.87
  5. Step 5: Solve for x
    x = 4,980,226.87/3,221.90
  6. Step 6: Final answer
    x = 1,545.74

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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.