Home / 2,116.08-2,920.19-1,232.48

Finding the Fourth Proportional to 2,116.08, 2,920.19 and 1,232.48

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Solution

The fourth proportional to 2,116.08, 2,920.19 and 1,232.48 is: 1,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.08 : 2,920.19 = 1,232.48 : x
  2. Step 2: Convert to fraction form
    2,116.08/2,920.19 = 1,232.48/x
  3. Step 3: Cross multiply
    2,116.08x = 2,920.19 × 1,232.48
  4. Step 4: Simplify right side
    2,116.08x = 3,599,055.01
  5. Step 5: Solve for x
    x = 3,599,055.01/2,116.08
  6. Step 6: Final answer
    x = 1,700.81

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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.