Home / 1,732.03-2,389.66-985.93

Finding the Fourth Proportional to 1,732.03, 2,389.66 and 985.93

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Solution

The fourth proportional to 1,732.03, 2,389.66 and 985.93 is: 1,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.03 : 2,389.66 = 985.93 : x
  2. Step 2: Convert to fraction form
    1,732.03/2,389.66 = 985.93/x
  3. Step 3: Cross multiply
    1,732.03x = 2,389.66 × 985.93
  4. Step 4: Simplify right side
    1,732.03x = 2,356,037.48
  5. Step 5: Solve for x
    x = 2,356,037.48/1,732.03
  6. Step 6: Final answer
    x = 1,360.28

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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.