Home / 1,719.11-2,372.37-1,010.90

Finding the Fourth Proportional to 1,719.11, 2,372.37 and 1,010.90

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Solution

The fourth proportional to 1,719.11, 2,372.37 and 1,010.90 is: 1,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.11 : 2,372.37 = 1,010.90 : x
  2. Step 2: Convert to fraction form
    1,719.11/2,372.37 = 1,010.90/x
  3. Step 3: Cross multiply
    1,719.11x = 2,372.37 × 1,010.90
  4. Step 4: Simplify right side
    1,719.11x = 2,398,228.83
  5. Step 5: Solve for x
    x = 2,398,228.83/1,719.11
  6. Step 6: Final answer
    x = 1,395.04

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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.