Home / 1,903.59-2,626.26-1,273.82

Finding the Fourth Proportional to 1,903.59, 2,626.26 and 1,273.82

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Solution

The fourth proportional to 1,903.59, 2,626.26 and 1,273.82 is: 1,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.59 : 2,626.26 = 1,273.82 : x
  2. Step 2: Convert to fraction form
    1,903.59/2,626.26 = 1,273.82/x
  3. Step 3: Cross multiply
    1,903.59x = 2,626.26 × 1,273.82
  4. Step 4: Simplify right side
    1,903.59x = 3,345,369.38
  5. Step 5: Solve for x
    x = 3,345,369.38/1,903.59
  6. Step 6: Final answer
    x = 1,757.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.