Home / 2,909.84-4,366.80-1,265.54

Finding the Fourth Proportional to 2,909.84, 4,366.80 and 1,265.54

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Solution

The fourth proportional to 2,909.84, 4,366.80 and 1,265.54 is: 1,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.84 : 4,366.80 = 1,265.54 : x
  2. Step 2: Convert to fraction form
    2,909.84/4,366.80 = 1,265.54/x
  3. Step 3: Cross multiply
    2,909.84x = 4,366.80 × 1,265.54
  4. Step 4: Simplify right side
    2,909.84x = 5,526,360.07
  5. Step 5: Solve for x
    x = 5,526,360.07/2,909.84
  6. Step 6: Final answer
    x = 1,899.20

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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.