Home / 1,680.53-2,534.30-1,669.58

Finding the Fourth Proportional to 1,680.53, 2,534.30 and 1,669.58

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Solution

The fourth proportional to 1,680.53, 2,534.30 and 1,669.58 is: 2,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.53 : 2,534.30 = 1,669.58 : x
  2. Step 2: Convert to fraction form
    1,680.53/2,534.30 = 1,669.58/x
  3. Step 3: Cross multiply
    1,680.53x = 2,534.30 × 1,669.58
  4. Step 4: Simplify right side
    1,680.53x = 4,231,216.59
  5. Step 5: Solve for x
    x = 4,231,216.59/1,680.53
  6. Step 6: Final answer
    x = 2,517.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.