Home / 2,977.46-4,465.68-1,639.94

Finding the Fourth Proportional to 2,977.46, 4,465.68 and 1,639.94

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Solution

The fourth proportional to 2,977.46, 4,465.68 and 1,639.94 is: 2,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.46 : 4,465.68 = 1,639.94 : x
  2. Step 2: Convert to fraction form
    2,977.46/4,465.68 = 1,639.94/x
  3. Step 3: Cross multiply
    2,977.46x = 4,465.68 × 1,639.94
  4. Step 4: Simplify right side
    2,977.46x = 7,323,447.26
  5. Step 5: Solve for x
    x = 7,323,447.26/2,977.46
  6. Step 6: Final answer
    x = 2,459.63

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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.