Home / 1,225.39-1,836.35-950.20

Finding the Fourth Proportional to 1,225.39, 1,836.35 and 950.20

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Solution

The fourth proportional to 1,225.39, 1,836.35 and 950.20 is: 1,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.39 : 1,836.35 = 950.20 : x
  2. Step 2: Convert to fraction form
    1,225.39/1,836.35 = 950.20/x
  3. Step 3: Cross multiply
    1,225.39x = 1,836.35 × 950.20
  4. Step 4: Simplify right side
    1,225.39x = 1,744,885.84
  5. Step 5: Solve for x
    x = 1,744,885.84/1,225.39
  6. Step 6: Final answer
    x = 1,423.95

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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.