Home / 3,269.55-4,903.80-1,420.17

Finding the Fourth Proportional to 3,269.55, 4,903.80 and 1,420.17

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Solution

The fourth proportional to 3,269.55, 4,903.80 and 1,420.17 is: 2,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.55 : 4,903.80 = 1,420.17 : x
  2. Step 2: Convert to fraction form
    3,269.55/4,903.80 = 1,420.17/x
  3. Step 3: Cross multiply
    3,269.55x = 4,903.80 × 1,420.17
  4. Step 4: Simplify right side
    3,269.55x = 6,964,209.93
  5. Step 5: Solve for x
    x = 6,964,209.93/3,269.55
  6. Step 6: Final answer
    x = 2,130.02

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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.