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Finding the Fourth Proportional to 2,598.41, 3,897.20 and 843.18

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Solution

The fourth proportional to 2,598.41, 3,897.20 and 843.18 is: 1,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.41 : 3,897.20 = 843.18 : x
  2. Step 2: Convert to fraction form
    2,598.41/3,897.20 = 843.18/x
  3. Step 3: Cross multiply
    2,598.41x = 3,897.20 × 843.18
  4. Step 4: Simplify right side
    2,598.41x = 3,286,036.88
  5. Step 5: Solve for x
    x = 3,286,036.88/2,598.41
  6. Step 6: Final answer
    x = 1,264.64

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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.