Home / 3,698.52-5,104.08-2,126.76

Finding the Fourth Proportional to 3,698.52, 5,104.08 and 2,126.76

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Solution

The fourth proportional to 3,698.52, 5,104.08 and 2,126.76 is: 2,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.52 : 5,104.08 = 2,126.76 : x
  2. Step 2: Convert to fraction form
    3,698.52/5,104.08 = 2,126.76/x
  3. Step 3: Cross multiply
    3,698.52x = 5,104.08 × 2,126.76
  4. Step 4: Simplify right side
    3,698.52x = 10,855,153.18
  5. Step 5: Solve for x
    x = 10,855,153.18/3,698.52
  6. Step 6: Final answer
    x = 2,935.00

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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.