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Finding the Fourth Proportional to 1,597.50, 2,204.55 and 976.50

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Solution

The fourth proportional to 1,597.50, 2,204.55 and 976.50 is: 1,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.50 : 2,204.55 = 976.50 : x
  2. Step 2: Convert to fraction form
    1,597.50/2,204.55 = 976.50/x
  3. Step 3: Cross multiply
    1,597.50x = 2,204.55 × 976.50
  4. Step 4: Simplify right side
    1,597.50x = 2,152,743.08
  5. Step 5: Solve for x
    x = 2,152,743.08/1,597.50
  6. Step 6: Final answer
    x = 1,347.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.