Home / 3,709.35-5,118.81-2,030.77

Finding the Fourth Proportional to 3,709.35, 5,118.81 and 2,030.77

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Solution

The fourth proportional to 3,709.35, 5,118.81 and 2,030.77 is: 2,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.35 : 5,118.81 = 2,030.77 : x
  2. Step 2: Convert to fraction form
    3,709.35/5,118.81 = 2,030.77/x
  3. Step 3: Cross multiply
    3,709.35x = 5,118.81 × 2,030.77
  4. Step 4: Simplify right side
    3,709.35x = 10,395,125.78
  5. Step 5: Solve for x
    x = 10,395,125.78/3,709.35
  6. Step 6: Final answer
    x = 2,802.41

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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.