Home / 3,719.13-5,123.70-2,598.09

Finding the Fourth Proportional to 3,719.13, 5,123.70 and 2,598.09

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Solution

The fourth proportional to 3,719.13, 5,123.70 and 2,598.09 is: 3,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.13 : 5,123.70 = 2,598.09 : x
  2. Step 2: Convert to fraction form
    3,719.13/5,123.70 = 2,598.09/x
  3. Step 3: Cross multiply
    3,719.13x = 5,123.70 × 2,598.09
  4. Step 4: Simplify right side
    3,719.13x = 13,311,833.73
  5. Step 5: Solve for x
    x = 13,311,833.73/3,719.13
  6. Step 6: Final answer
    x = 3,579.29

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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.