Home / 3,119.28-4,306.33-2,126.01

Finding the Fourth Proportional to 3,119.28, 4,306.33 and 2,126.01

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Solution

The fourth proportional to 3,119.28, 4,306.33 and 2,126.01 is: 2,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.28 : 4,306.33 = 2,126.01 : x
  2. Step 2: Convert to fraction form
    3,119.28/4,306.33 = 2,126.01/x
  3. Step 3: Cross multiply
    3,119.28x = 4,306.33 × 2,126.01
  4. Step 4: Simplify right side
    3,119.28x = 9,155,319.45
  5. Step 5: Solve for x
    x = 9,155,319.45/3,119.28
  6. Step 6: Final answer
    x = 2,935.08

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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.