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Finding the Fourth Proportional to 1,657.54, 2,484.07 and 630.98

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Solution

The fourth proportional to 1,657.54, 2,484.07 and 630.98 is: 945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.54 : 2,484.07 = 630.98 : x
  2. Step 2: Convert to fraction form
    1,657.54/2,484.07 = 630.98/x
  3. Step 3: Cross multiply
    1,657.54x = 2,484.07 × 630.98
  4. Step 4: Simplify right side
    1,657.54x = 1,567,398.49
  5. Step 5: Solve for x
    x = 1,567,398.49/1,657.54
  6. Step 6: Final answer
    x = 945.62

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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.