Home / 1,415.40-2,108.03-1,364.38

Finding the Fourth Proportional to 1,415.40, 2,108.03 and 1,364.38

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Solution

The fourth proportional to 1,415.40, 2,108.03 and 1,364.38 is: 2,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.40 : 2,108.03 = 1,364.38 : x
  2. Step 2: Convert to fraction form
    1,415.40/2,108.03 = 1,364.38/x
  3. Step 3: Cross multiply
    1,415.40x = 2,108.03 × 1,364.38
  4. Step 4: Simplify right side
    1,415.40x = 2,876,153.97
  5. Step 5: Solve for x
    x = 2,876,153.97/1,415.40
  6. Step 6: Final answer
    x = 2,032.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.