Home / 2,257.15-3,114.92-1,372.94

Finding the Fourth Proportional to 2,257.15, 3,114.92 and 1,372.94

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Solution

The fourth proportional to 2,257.15, 3,114.92 and 1,372.94 is: 1,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.15 : 3,114.92 = 1,372.94 : x
  2. Step 2: Convert to fraction form
    2,257.15/3,114.92 = 1,372.94/x
  3. Step 3: Cross multiply
    2,257.15x = 3,114.92 × 1,372.94
  4. Step 4: Simplify right side
    2,257.15x = 4,276,598.26
  5. Step 5: Solve for x
    x = 4,276,598.26/2,257.15
  6. Step 6: Final answer
    x = 1,894.69

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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.