Home / 3,709.15-5,118.45-2,030.53

Finding the Fourth Proportional to 3,709.15, 5,118.45 and 2,030.53

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Solution

The fourth proportional to 3,709.15, 5,118.45 and 2,030.53 is: 2,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.15 : 5,118.45 = 2,030.53 : x
  2. Step 2: Convert to fraction form
    3,709.15/5,118.45 = 2,030.53/x
  3. Step 3: Cross multiply
    3,709.15x = 5,118.45 × 2,030.53
  4. Step 4: Simplify right side
    3,709.15x = 10,393,166.28
  5. Step 5: Solve for x
    x = 10,393,166.28/3,709.15
  6. Step 6: Final answer
    x = 2,802.03

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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.