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Finding the Fourth Proportional to 1,738.95, 2,610.26 and 917.01

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Solution

The fourth proportional to 1,738.95, 2,610.26 and 917.01 is: 1,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.95 : 2,610.26 = 917.01 : x
  2. Step 2: Convert to fraction form
    1,738.95/2,610.26 = 917.01/x
  3. Step 3: Cross multiply
    1,738.95x = 2,610.26 × 917.01
  4. Step 4: Simplify right side
    1,738.95x = 2,393,629.94
  5. Step 5: Solve for x
    x = 2,393,629.94/1,738.95
  6. Step 6: Final answer
    x = 1,376.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.