Home / 1,625.67-2,451.26-1,489.59

Finding the Fourth Proportional to 1,625.67, 2,451.26 and 1,489.59

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Solution

The fourth proportional to 1,625.67, 2,451.26 and 1,489.59 is: 2,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.67 : 2,451.26 = 1,489.59 : x
  2. Step 2: Convert to fraction form
    1,625.67/2,451.26 = 1,489.59/x
  3. Step 3: Cross multiply
    1,625.67x = 2,451.26 × 1,489.59
  4. Step 4: Simplify right side
    1,625.67x = 3,651,376.11
  5. Step 5: Solve for x
    x = 3,651,376.11/1,625.67
  6. Step 6: Final answer
    x = 2,246.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.