Home / 2,053.23-2,833.45-1,121.73

Finding the Fourth Proportional to 2,053.23, 2,833.45 and 1,121.73

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Solution

The fourth proportional to 2,053.23, 2,833.45 and 1,121.73 is: 1,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.23 : 2,833.45 = 1,121.73 : x
  2. Step 2: Convert to fraction form
    2,053.23/2,833.45 = 1,121.73/x
  3. Step 3: Cross multiply
    2,053.23x = 2,833.45 × 1,121.73
  4. Step 4: Simplify right side
    2,053.23x = 3,178,365.87
  5. Step 5: Solve for x
    x = 3,178,365.87/2,053.23
  6. Step 6: Final answer
    x = 1,547.98

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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.