Home / 1,895.42-2,853.68-1,665.79

Finding the Fourth Proportional to 1,895.42, 2,853.68 and 1,665.79

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Solution

The fourth proportional to 1,895.42, 2,853.68 and 1,665.79 is: 2,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.42 : 2,853.68 = 1,665.79 : x
  2. Step 2: Convert to fraction form
    1,895.42/2,853.68 = 1,665.79/x
  3. Step 3: Cross multiply
    1,895.42x = 2,853.68 × 1,665.79
  4. Step 4: Simplify right side
    1,895.42x = 4,753,628.64
  5. Step 5: Solve for x
    x = 4,753,628.64/1,895.42
  6. Step 6: Final answer
    x = 2,507.95

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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.