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Finding the Fourth Proportional to 1,897.12, 2,845.68 and 598.58

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Solution

The fourth proportional to 1,897.12, 2,845.68 and 598.58 is: 897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.12 : 2,845.68 = 598.58 : x
  2. Step 2: Convert to fraction form
    1,897.12/2,845.68 = 598.58/x
  3. Step 3: Cross multiply
    1,897.12x = 2,845.68 × 598.58
  4. Step 4: Simplify right side
    1,897.12x = 1,703,367.13
  5. Step 5: Solve for x
    x = 1,703,367.13/1,897.12
  6. Step 6: Final answer
    x = 897.87

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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.