Home / 2,116.16-2,920.65-1,232.48

Finding the Fourth Proportional to 2,116.16, 2,920.65 and 1,232.48

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Solution

The fourth proportional to 2,116.16, 2,920.65 and 1,232.48 is: 1,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.16 : 2,920.65 = 1,232.48 : x
  2. Step 2: Convert to fraction form
    2,116.16/2,920.65 = 1,232.48/x
  3. Step 3: Cross multiply
    2,116.16x = 2,920.65 × 1,232.48
  4. Step 4: Simplify right side
    2,116.16x = 3,599,650.01
  5. Step 5: Solve for x
    x = 3,599,650.01/2,116.16
  6. Step 6: Final answer
    x = 1,701.03

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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.