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Finding the Fourth Proportional to 1,656.60, 2,483.88 and 654.73

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Solution

The fourth proportional to 1,656.60, 2,483.88 and 654.73 is: 981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.60 : 2,483.88 = 654.73 : x
  2. Step 2: Convert to fraction form
    1,656.60/2,483.88 = 654.73/x
  3. Step 3: Cross multiply
    1,656.60x = 2,483.88 × 654.73
  4. Step 4: Simplify right side
    1,656.60x = 1,626,270.75
  5. Step 5: Solve for x
    x = 1,626,270.75/1,656.60
  6. Step 6: Final answer
    x = 981.69

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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.