Home / 1,680.73-2,509.77-1,373.19

Finding the Fourth Proportional to 1,680.73, 2,509.77 and 1,373.19

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Solution

The fourth proportional to 1,680.73, 2,509.77 and 1,373.19 is: 2,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.73 : 2,509.77 = 1,373.19 : x
  2. Step 2: Convert to fraction form
    1,680.73/2,509.77 = 1,373.19/x
  3. Step 3: Cross multiply
    1,680.73x = 2,509.77 × 1,373.19
  4. Step 4: Simplify right side
    1,680.73x = 3,446,391.07
  5. Step 5: Solve for x
    x = 3,446,391.07/1,680.73
  6. Step 6: Final answer
    x = 2,050.53

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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.