Home / 1,519.65-2,277.90-738.50

Finding the Fourth Proportional to 1,519.65, 2,277.90 and 738.50

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Solution

The fourth proportional to 1,519.65, 2,277.90 and 738.50 is: 1,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.65 : 2,277.90 = 738.50 : x
  2. Step 2: Convert to fraction form
    1,519.65/2,277.90 = 738.50/x
  3. Step 3: Cross multiply
    1,519.65x = 2,277.90 × 738.50
  4. Step 4: Simplify right side
    1,519.65x = 1,682,217.76
  5. Step 5: Solve for x
    x = 1,682,217.76/1,519.65
  6. Step 6: Final answer
    x = 1,106.98

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1.5x scale

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.