Home / 3,134.89-4,324.82-1,875.54

Finding the Fourth Proportional to 3,134.89, 4,324.82 and 1,875.54

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Solution

The fourth proportional to 3,134.89, 4,324.82 and 1,875.54 is: 2,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.89 : 4,324.82 = 1,875.54 : x
  2. Step 2: Convert to fraction form
    3,134.89/4,324.82 = 1,875.54/x
  3. Step 3: Cross multiply
    3,134.89x = 4,324.82 × 1,875.54
  4. Step 4: Simplify right side
    3,134.89x = 8,111,372.90
  5. Step 5: Solve for x
    x = 8,111,372.90/3,134.89
  6. Step 6: Final answer
    x = 2,587.45

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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.