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Finding the Fourth Proportional to 1,805.06, 2,690.02 and 1,610.12

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Solution

The fourth proportional to 1,805.06, 2,690.02 and 1,610.12 is: 2,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.06 : 2,690.02 = 1,610.12 : x
  2. Step 2: Convert to fraction form
    1,805.06/2,690.02 = 1,610.12/x
  3. Step 3: Cross multiply
    1,805.06x = 2,690.02 × 1,610.12
  4. Step 4: Simplify right side
    1,805.06x = 4,331,255.00
  5. Step 5: Solve for x
    x = 4,331,255.00/1,805.06
  6. Step 6: Final answer
    x = 2,399.51

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1.5x scale

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.