Home / 1,704.06-2,351.77-1,145.70

Finding the Fourth Proportional to 1,704.06, 2,351.77 and 1,145.70

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Solution

The fourth proportional to 1,704.06, 2,351.77 and 1,145.70 is: 1,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.06 : 2,351.77 = 1,145.70 : x
  2. Step 2: Convert to fraction form
    1,704.06/2,351.77 = 1,145.70/x
  3. Step 3: Cross multiply
    1,704.06x = 2,351.77 × 1,145.70
  4. Step 4: Simplify right side
    1,704.06x = 2,694,420.02
  5. Step 5: Solve for x
    x = 2,694,420.02/1,704.06
  6. Step 6: Final answer
    x = 1,581.18

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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.