Home / 1,515.13-2,260.38-1,373.66

Finding the Fourth Proportional to 1,515.13, 2,260.38 and 1,373.66

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Solution

The fourth proportional to 1,515.13, 2,260.38 and 1,373.66 is: 2,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.13 : 2,260.38 = 1,373.66 : x
  2. Step 2: Convert to fraction form
    1,515.13/2,260.38 = 1,373.66/x
  3. Step 3: Cross multiply
    1,515.13x = 2,260.38 × 1,373.66
  4. Step 4: Simplify right side
    1,515.13x = 3,104,993.59
  5. Step 5: Solve for x
    x = 3,104,993.59/1,515.13
  6. Step 6: Final answer
    x = 2,049.32

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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.