Home / 2,116.30-2,920.44-1,232.59

Finding the Fourth Proportional to 2,116.30, 2,920.44 and 1,232.59

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Solution

The fourth proportional to 2,116.30, 2,920.44 and 1,232.59 is: 1,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.30 : 2,920.44 = 1,232.59 : x
  2. Step 2: Convert to fraction form
    2,116.30/2,920.44 = 1,232.59/x
  3. Step 3: Cross multiply
    2,116.30x = 2,920.44 × 1,232.59
  4. Step 4: Simplify right side
    2,116.30x = 3,599,705.14
  5. Step 5: Solve for x
    x = 3,599,705.14/2,116.30
  6. Step 6: Final answer
    x = 1,700.94

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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.