Home / 1,521.05-2,095.20-1,273.73

Finding the Fourth Proportional to 1,521.05, 2,095.20 and 1,273.73

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Solution

The fourth proportional to 1,521.05, 2,095.20 and 1,273.73 is: 1,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.05 : 2,095.20 = 1,273.73 : x
  2. Step 2: Convert to fraction form
    1,521.05/2,095.20 = 1,273.73/x
  3. Step 3: Cross multiply
    1,521.05x = 2,095.20 × 1,273.73
  4. Step 4: Simplify right side
    1,521.05x = 2,668,708.62
  5. Step 5: Solve for x
    x = 2,668,708.62/1,521.05
  6. Step 6: Final answer
    x = 1,754.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.