Home / 1,403.42-2,095.23-1,072.61

Finding the Fourth Proportional to 1,403.42, 2,095.23 and 1,072.61

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Solution

The fourth proportional to 1,403.42, 2,095.23 and 1,072.61 is: 1,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.42 : 2,095.23 = 1,072.61 : x
  2. Step 2: Convert to fraction form
    1,403.42/2,095.23 = 1,072.61/x
  3. Step 3: Cross multiply
    1,403.42x = 2,095.23 × 1,072.61
  4. Step 4: Simplify right side
    1,403.42x = 2,247,350.15
  5. Step 5: Solve for x
    x = 2,247,350.15/1,403.42
  6. Step 6: Final answer
    x = 1,601.34

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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.