Home / 2,054.31-2,834.90-1,122.75

Finding the Fourth Proportional to 2,054.31, 2,834.90 and 1,122.75

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Solution

The fourth proportional to 2,054.31, 2,834.90 and 1,122.75 is: 1,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.31 : 2,834.90 = 1,122.75 : x
  2. Step 2: Convert to fraction form
    2,054.31/2,834.90 = 1,122.75/x
  3. Step 3: Cross multiply
    2,054.31x = 2,834.90 × 1,122.75
  4. Step 4: Simplify right side
    2,054.31x = 3,182,878.36
  5. Step 5: Solve for x
    x = 3,182,878.36/2,054.31
  6. Step 6: Final answer
    x = 1,549.37

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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.