Home / 4,131.63-5,701.64-2,639.07

Finding the Fourth Proportional to 4,131.63, 5,701.64 and 2,639.07

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Solution

The fourth proportional to 4,131.63, 5,701.64 and 2,639.07 is: 3,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.63 : 5,701.64 = 2,639.07 : x
  2. Step 2: Convert to fraction form
    4,131.63/5,701.64 = 2,639.07/x
  3. Step 3: Cross multiply
    4,131.63x = 5,701.64 × 2,639.07
  4. Step 4: Simplify right side
    4,131.63x = 15,047,013.88
  5. Step 5: Solve for x
    x = 15,047,013.88/4,131.63
  6. Step 6: Final answer
    x = 3,641.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.