Home / 1,854.13-2,558.66-1,108.25

Finding the Fourth Proportional to 1,854.13, 2,558.66 and 1,108.25

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Solution

The fourth proportional to 1,854.13, 2,558.66 and 1,108.25 is: 1,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.13 : 2,558.66 = 1,108.25 : x
  2. Step 2: Convert to fraction form
    1,854.13/2,558.66 = 1,108.25/x
  3. Step 3: Cross multiply
    1,854.13x = 2,558.66 × 1,108.25
  4. Step 4: Simplify right side
    1,854.13x = 2,835,629.40
  5. Step 5: Solve for x
    x = 2,835,629.40/1,854.13
  6. Step 6: Final answer
    x = 1,529.36

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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.