Home / 2,705.46-3,732.57-1,642.92

Finding the Fourth Proportional to 2,705.46, 3,732.57 and 1,642.92

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Solution

The fourth proportional to 2,705.46, 3,732.57 and 1,642.92 is: 2,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.46 : 3,732.57 = 1,642.92 : x
  2. Step 2: Convert to fraction form
    2,705.46/3,732.57 = 1,642.92/x
  3. Step 3: Cross multiply
    2,705.46x = 3,732.57 × 1,642.92
  4. Step 4: Simplify right side
    2,705.46x = 6,132,313.90
  5. Step 5: Solve for x
    x = 6,132,313.90/2,705.46
  6. Step 6: Final answer
    x = 2,266.64

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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.