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Finding the Fourth Proportional to 1,654.94, 2,482.47 and 500.69

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Solution

The fourth proportional to 1,654.94, 2,482.47 and 500.69 is: 751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.94 : 2,482.47 = 500.69 : x
  2. Step 2: Convert to fraction form
    1,654.94/2,482.47 = 500.69/x
  3. Step 3: Cross multiply
    1,654.94x = 2,482.47 × 500.69
  4. Step 4: Simplify right side
    1,654.94x = 1,242,935.49
  5. Step 5: Solve for x
    x = 1,242,935.49/1,654.94
  6. Step 6: Final answer
    x = 751.05

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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.