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Finding the Fourth Proportional to 2,158.74, 3,237.84 and 598.86

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Solution

The fourth proportional to 2,158.74, 3,237.84 and 598.86 is: 898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.74 : 3,237.84 = 598.86 : x
  2. Step 2: Convert to fraction form
    2,158.74/3,237.84 = 598.86/x
  3. Step 3: Cross multiply
    2,158.74x = 3,237.84 × 598.86
  4. Step 4: Simplify right side
    2,158.74x = 1,939,012.86
  5. Step 5: Solve for x
    x = 1,939,012.86/2,158.74
  6. Step 6: Final answer
    x = 898.22

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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.