Home / 1,854.99-2,558.91-1,257.52

Finding the Fourth Proportional to 1,854.99, 2,558.91 and 1,257.52

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Solution

The fourth proportional to 1,854.99, 2,558.91 and 1,257.52 is: 1,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.99 : 2,558.91 = 1,257.52 : x
  2. Step 2: Convert to fraction form
    1,854.99/2,558.91 = 1,257.52/x
  3. Step 3: Cross multiply
    1,854.99x = 2,558.91 × 1,257.52
  4. Step 4: Simplify right side
    1,854.99x = 3,217,874.11
  5. Step 5: Solve for x
    x = 3,217,874.11/1,854.99
  6. Step 6: Final answer
    x = 1,734.71

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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.