Home / 1,854.25-2,558.86-1,108.17

Finding the Fourth Proportional to 1,854.25, 2,558.86 and 1,108.17

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Solution

The fourth proportional to 1,854.25, 2,558.86 and 1,108.17 is: 1,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.25 : 2,558.86 = 1,108.17 : x
  2. Step 2: Convert to fraction form
    1,854.25/2,558.86 = 1,108.17/x
  3. Step 3: Cross multiply
    1,854.25x = 2,558.86 × 1,108.17
  4. Step 4: Simplify right side
    1,854.25x = 2,835,649.12
  5. Step 5: Solve for x
    x = 2,835,649.12/1,854.25
  6. Step 6: Final answer
    x = 1,529.27

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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.