Home / 2,635.27-3,635.01-1,690.07

Finding the Fourth Proportional to 2,635.27, 3,635.01 and 1,690.07

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Solution

The fourth proportional to 2,635.27, 3,635.01 and 1,690.07 is: 2,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.27 : 3,635.01 = 1,690.07 : x
  2. Step 2: Convert to fraction form
    2,635.27/3,635.01 = 1,690.07/x
  3. Step 3: Cross multiply
    2,635.27x = 3,635.01 × 1,690.07
  4. Step 4: Simplify right side
    2,635.27x = 6,143,403.18
  5. Step 5: Solve for x
    x = 6,143,403.18/2,635.27
  6. Step 6: Final answer
    x = 2,331.22

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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.