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Finding the Fourth Proportional to 1,730, 2,595.48 and 757.04

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Solution

The fourth proportional to 1,730, 2,595.48 and 757.04 is: 1,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730 : 2,595.48 = 757.04 : x
  2. Step 2: Convert to fraction form
    1,730/2,595.48 = 757.04/x
  3. Step 3: Cross multiply
    1,730x = 2,595.48 × 757.04
  4. Step 4: Simplify right side
    1,730x = 1,964,882.18
  5. Step 5: Solve for x
    x = 1,964,882.18/1,730
  6. Step 6: Final answer
    x = 1,135.77

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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.