Home / 3,703.10-5,109.99-2,130.89

Finding the Fourth Proportional to 3,703.10, 5,109.99 and 2,130.89

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Solution

The fourth proportional to 3,703.10, 5,109.99 and 2,130.89 is: 2,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.10 : 5,109.99 = 2,130.89 : x
  2. Step 2: Convert to fraction form
    3,703.10/5,109.99 = 2,130.89/x
  3. Step 3: Cross multiply
    3,703.10x = 5,109.99 × 2,130.89
  4. Step 4: Simplify right side
    3,703.10x = 10,888,826.59
  5. Step 5: Solve for x
    x = 10,888,826.59/3,703.10
  6. Step 6: Final answer
    x = 2,940.46

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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.