Home / 2,116.96-2,921.88-1,232.89

Finding the Fourth Proportional to 2,116.96, 2,921.88 and 1,232.89

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Solution

The fourth proportional to 2,116.96, 2,921.88 and 1,232.89 is: 1,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.96 : 2,921.88 = 1,232.89 : x
  2. Step 2: Convert to fraction form
    2,116.96/2,921.88 = 1,232.89/x
  3. Step 3: Cross multiply
    2,116.96x = 2,921.88 × 1,232.89
  4. Step 4: Simplify right side
    2,116.96x = 3,602,356.63
  5. Step 5: Solve for x
    x = 3,602,356.63/2,116.96
  6. Step 6: Final answer
    x = 1,701.66

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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.