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Finding the Fourth Proportional to 2,598.45, 3,897.30 and 843.23

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Solution

The fourth proportional to 2,598.45, 3,897.30 and 843.23 is: 1,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.45 : 3,897.30 = 843.23 : x
  2. Step 2: Convert to fraction form
    2,598.45/3,897.30 = 843.23/x
  3. Step 3: Cross multiply
    2,598.45x = 3,897.30 × 843.23
  4. Step 4: Simplify right side
    2,598.45x = 3,286,320.28
  5. Step 5: Solve for x
    x = 3,286,320.28/2,598.45
  6. Step 6: Final answer
    x = 1,264.72

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1.5x scale

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.