Home / 3,709.10-5,118.36-2,030.42

Finding the Fourth Proportional to 3,709.10, 5,118.36 and 2,030.42

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Solution

The fourth proportional to 3,709.10, 5,118.36 and 2,030.42 is: 2,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.10 : 5,118.36 = 2,030.42 : x
  2. Step 2: Convert to fraction form
    3,709.10/5,118.36 = 2,030.42/x
  3. Step 3: Cross multiply
    3,709.10x = 5,118.36 × 2,030.42
  4. Step 4: Simplify right side
    3,709.10x = 10,392,420.51
  5. Step 5: Solve for x
    x = 10,392,420.51/3,709.10
  6. Step 6: Final answer
    x = 2,801.87

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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.