Home / 3,123.43-4,310.34-1,707.14

Finding the Fourth Proportional to 3,123.43, 4,310.34 and 1,707.14

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Solution

The fourth proportional to 3,123.43, 4,310.34 and 1,707.14 is: 2,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.43 : 4,310.34 = 1,707.14 : x
  2. Step 2: Convert to fraction form
    3,123.43/4,310.34 = 1,707.14/x
  3. Step 3: Cross multiply
    3,123.43x = 4,310.34 × 1,707.14
  4. Step 4: Simplify right side
    3,123.43x = 7,358,353.83
  5. Step 5: Solve for x
    x = 7,358,353.83/3,123.43
  6. Step 6: Final answer
    x = 2,355.86

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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.