Home / 1,854.36-2,558.12-1,108.35

Finding the Fourth Proportional to 1,854.36, 2,558.12 and 1,108.35

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Solution

The fourth proportional to 1,854.36, 2,558.12 and 1,108.35 is: 1,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.36 : 2,558.12 = 1,108.35 : x
  2. Step 2: Convert to fraction form
    1,854.36/2,558.12 = 1,108.35/x
  3. Step 3: Cross multiply
    1,854.36x = 2,558.12 × 1,108.35
  4. Step 4: Simplify right side
    1,854.36x = 2,835,286.76
  5. Step 5: Solve for x
    x = 2,835,286.76/1,854.36
  6. Step 6: Final answer
    x = 1,528.98

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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.