Home / 3,709.38-5,119.02-2,030.82

Finding the Fourth Proportional to 3,709.38, 5,119.02 and 2,030.82

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Solution

The fourth proportional to 3,709.38, 5,119.02 and 2,030.82 is: 2,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.38 : 5,119.02 = 2,030.82 : x
  2. Step 2: Convert to fraction form
    3,709.38/5,119.02 = 2,030.82/x
  3. Step 3: Cross multiply
    3,709.38x = 5,119.02 × 2,030.82
  4. Step 4: Simplify right side
    3,709.38x = 10,395,808.20
  5. Step 5: Solve for x
    x = 10,395,808.20/3,709.38
  6. Step 6: Final answer
    x = 2,802.57

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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.