Home / 1,611.70-2,207.47-1,517.13

Finding the Fourth Proportional to 1,611.70, 2,207.47 and 1,517.13

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Solution

The fourth proportional to 1,611.70, 2,207.47 and 1,517.13 is: 2,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.70 : 2,207.47 = 1,517.13 : x
  2. Step 2: Convert to fraction form
    1,611.70/2,207.47 = 1,517.13/x
  3. Step 3: Cross multiply
    1,611.70x = 2,207.47 × 1,517.13
  4. Step 4: Simplify right side
    1,611.70x = 3,349,027.84
  5. Step 5: Solve for x
    x = 3,349,027.84/1,611.70
  6. Step 6: Final answer
    x = 2,077.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.