Home / 1,719.56-2,373.54-1,098.56

Finding the Fourth Proportional to 1,719.56, 2,373.54 and 1,098.56

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Solution

The fourth proportional to 1,719.56, 2,373.54 and 1,098.56 is: 1,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.56 : 2,373.54 = 1,098.56 : x
  2. Step 2: Convert to fraction form
    1,719.56/2,373.54 = 1,098.56/x
  3. Step 3: Cross multiply
    1,719.56x = 2,373.54 × 1,098.56
  4. Step 4: Simplify right side
    1,719.56x = 2,607,477.92
  5. Step 5: Solve for x
    x = 2,607,477.92/1,719.56
  6. Step 6: Final answer
    x = 1,516.36

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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.