Home / 1,719.81-2,372.70-1,090.17

Finding the Fourth Proportional to 1,719.81, 2,372.70 and 1,090.17

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Solution

The fourth proportional to 1,719.81, 2,372.70 and 1,090.17 is: 1,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.81 : 2,372.70 = 1,090.17 : x
  2. Step 2: Convert to fraction form
    1,719.81/2,372.70 = 1,090.17/x
  3. Step 3: Cross multiply
    1,719.81x = 2,372.70 × 1,090.17
  4. Step 4: Simplify right side
    1,719.81x = 2,586,646.36
  5. Step 5: Solve for x
    x = 2,586,646.36/1,719.81
  6. Step 6: Final answer
    x = 1,504.03

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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.