Home / 3,709.51-5,119.18-2,030.88

Finding the Fourth Proportional to 3,709.51, 5,119.18 and 2,030.88

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Solution

The fourth proportional to 3,709.51, 5,119.18 and 2,030.88 is: 2,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.51 : 5,119.18 = 2,030.88 : x
  2. Step 2: Convert to fraction form
    3,709.51/5,119.18 = 2,030.88/x
  3. Step 3: Cross multiply
    3,709.51x = 5,119.18 × 2,030.88
  4. Step 4: Simplify right side
    3,709.51x = 10,396,454.40
  5. Step 5: Solve for x
    x = 10,396,454.40/3,709.51
  6. Step 6: Final answer
    x = 2,802.65

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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.