Home / 3,350.84-5,026.65-1,272.40

Finding the Fourth Proportional to 3,350.84, 5,026.65 and 1,272.40

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Solution

The fourth proportional to 3,350.84, 5,026.65 and 1,272.40 is: 1,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.84 : 5,026.65 = 1,272.40 : x
  2. Step 2: Convert to fraction form
    3,350.84/5,026.65 = 1,272.40/x
  3. Step 3: Cross multiply
    3,350.84x = 5,026.65 × 1,272.40
  4. Step 4: Simplify right side
    3,350.84x = 6,395,909.46
  5. Step 5: Solve for x
    x = 6,395,909.46/3,350.84
  6. Step 6: Final answer
    x = 1,908.75

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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.