Home / 1,728.10-2,588.01-946.93

Finding the Fourth Proportional to 1,728.10, 2,588.01 and 946.93

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Solution

The fourth proportional to 1,728.10, 2,588.01 and 946.93 is: 1,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.10 : 2,588.01 = 946.93 : x
  2. Step 2: Convert to fraction form
    1,728.10/2,588.01 = 946.93/x
  3. Step 3: Cross multiply
    1,728.10x = 2,588.01 × 946.93
  4. Step 4: Simplify right side
    1,728.10x = 2,450,664.31
  5. Step 5: Solve for x
    x = 2,450,664.31/1,728.10
  6. Step 6: Final answer
    x = 1,418.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.