Home / 1,639.29-2,458.90-599.28

Finding the Fourth Proportional to 1,639.29, 2,458.90 and 599.28

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Solution

The fourth proportional to 1,639.29, 2,458.90 and 599.28 is: 898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.29 : 2,458.90 = 599.28 : x
  2. Step 2: Convert to fraction form
    1,639.29/2,458.90 = 599.28/x
  3. Step 3: Cross multiply
    1,639.29x = 2,458.90 × 599.28
  4. Step 4: Simplify right side
    1,639.29x = 1,473,566.60
  5. Step 5: Solve for x
    x = 1,473,566.60/1,639.29
  6. Step 6: Final answer
    x = 898.91

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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.