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Finding the Fourth Proportional to 1,895.79, 2,843.67 and 725.52

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Solution

The fourth proportional to 1,895.79, 2,843.67 and 725.52 is: 1,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.79 : 2,843.67 = 725.52 : x
  2. Step 2: Convert to fraction form
    1,895.79/2,843.67 = 725.52/x
  3. Step 3: Cross multiply
    1,895.79x = 2,843.67 × 725.52
  4. Step 4: Simplify right side
    1,895.79x = 2,063,139.46
  5. Step 5: Solve for x
    x = 2,063,139.46/1,895.79
  6. Step 6: Final answer
    x = 1,088.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.