Home / 2,053.68-2,833.98-1,122.18

Finding the Fourth Proportional to 2,053.68, 2,833.98 and 1,122.18

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Solution

The fourth proportional to 2,053.68, 2,833.98 and 1,122.18 is: 1,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.68 : 2,833.98 = 1,122.18 : x
  2. Step 2: Convert to fraction form
    2,053.68/2,833.98 = 1,122.18/x
  3. Step 3: Cross multiply
    2,053.68x = 2,833.98 × 1,122.18
  4. Step 4: Simplify right side
    2,053.68x = 3,180,235.68
  5. Step 5: Solve for x
    x = 3,180,235.68/2,053.68
  6. Step 6: Final answer
    x = 1,548.55

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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.