Home / 1,732.14-2,390.40-986.27

Finding the Fourth Proportional to 1,732.14, 2,390.40 and 986.27

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Solution

The fourth proportional to 1,732.14, 2,390.40 and 986.27 is: 1,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.14 : 2,390.40 = 986.27 : x
  2. Step 2: Convert to fraction form
    1,732.14/2,390.40 = 986.27/x
  3. Step 3: Cross multiply
    1,732.14x = 2,390.40 × 986.27
  4. Step 4: Simplify right side
    1,732.14x = 2,357,567.86
  5. Step 5: Solve for x
    x = 2,357,567.86/1,732.14
  6. Step 6: Final answer
    x = 1,361.07

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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.