Home / 1,748.21-2,623.55-1,091.07

Finding the Fourth Proportional to 1,748.21, 2,623.55 and 1,091.07

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Solution

The fourth proportional to 1,748.21, 2,623.55 and 1,091.07 is: 1,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.21 : 2,623.55 = 1,091.07 : x
  2. Step 2: Convert to fraction form
    1,748.21/2,623.55 = 1,091.07/x
  3. Step 3: Cross multiply
    1,748.21x = 2,623.55 × 1,091.07
  4. Step 4: Simplify right side
    1,748.21x = 2,862,471.24
  5. Step 5: Solve for x
    x = 2,862,471.24/1,748.21
  6. Step 6: Final answer
    x = 1,637.38

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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.