Home / 4,126.34-5,695.65-2,638.27

Finding the Fourth Proportional to 4,126.34, 5,695.65 and 2,638.27

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Solution

The fourth proportional to 4,126.34, 5,695.65 and 2,638.27 is: 3,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.34 : 5,695.65 = 2,638.27 : x
  2. Step 2: Convert to fraction form
    4,126.34/5,695.65 = 2,638.27/x
  3. Step 3: Cross multiply
    4,126.34x = 5,695.65 × 2,638.27
  4. Step 4: Simplify right side
    4,126.34x = 15,026,669.65
  5. Step 5: Solve for x
    x = 15,026,669.65/4,126.34
  6. Step 6: Final answer
    x = 3,641.64

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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.