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Finding the Fourth Proportional to 2,159.61, 3,238.95 and 599.19

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Solution

The fourth proportional to 2,159.61, 3,238.95 and 599.19 is: 898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.61 : 3,238.95 = 599.19 : x
  2. Step 2: Convert to fraction form
    2,159.61/3,238.95 = 599.19/x
  3. Step 3: Cross multiply
    2,159.61x = 3,238.95 × 599.19
  4. Step 4: Simplify right side
    2,159.61x = 1,940,746.45
  5. Step 5: Solve for x
    x = 1,940,746.45/2,159.61
  6. Step 6: Final answer
    x = 898.66

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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.