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Finding the Fourth Proportional to 1,556.98, 2,332.12 and 734.02

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Solution

The fourth proportional to 1,556.98, 2,332.12 and 734.02 is: 1,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.98 : 2,332.12 = 734.02 : x
  2. Step 2: Convert to fraction form
    1,556.98/2,332.12 = 734.02/x
  3. Step 3: Cross multiply
    1,556.98x = 2,332.12 × 734.02
  4. Step 4: Simplify right side
    1,556.98x = 1,711,822.72
  5. Step 5: Solve for x
    x = 1,711,822.72/1,556.98
  6. Step 6: Final answer
    x = 1,099.45

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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.