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Finding the Fourth Proportional to 1,770.38, 2,654.32 and 730.07

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Solution

The fourth proportional to 1,770.38, 2,654.32 and 730.07 is: 1,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.38 : 2,654.32 = 730.07 : x
  2. Step 2: Convert to fraction form
    1,770.38/2,654.32 = 730.07/x
  3. Step 3: Cross multiply
    1,770.38x = 2,654.32 × 730.07
  4. Step 4: Simplify right side
    1,770.38x = 1,937,839.40
  5. Step 5: Solve for x
    x = 1,937,839.40/1,770.38
  6. Step 6: Final answer
    x = 1,094.59

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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.