Home / 2,639.10-3,946.77-2,348.31

Finding the Fourth Proportional to 2,639.10, 3,946.77 and 2,348.31

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Solution

The fourth proportional to 2,639.10, 3,946.77 and 2,348.31 is: 3,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.10 : 3,946.77 = 2,348.31 : x
  2. Step 2: Convert to fraction form
    2,639.10/3,946.77 = 2,348.31/x
  3. Step 3: Cross multiply
    2,639.10x = 3,946.77 × 2,348.31
  4. Step 4: Simplify right side
    2,639.10x = 9,268,239.46
  5. Step 5: Solve for x
    x = 9,268,239.46/2,639.10
  6. Step 6: Final answer
    x = 3,511.89

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1.5x scale

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.