Home / 4,129.83-5,703.90-2,719.82

Finding the Fourth Proportional to 4,129.83, 5,703.90 and 2,719.82

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Solution

The fourth proportional to 4,129.83, 5,703.90 and 2,719.82 is: 3,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.83 : 5,703.90 = 2,719.82 : x
  2. Step 2: Convert to fraction form
    4,129.83/5,703.90 = 2,719.82/x
  3. Step 3: Cross multiply
    4,129.83x = 5,703.90 × 2,719.82
  4. Step 4: Simplify right side
    4,129.83x = 15,513,550.72
  5. Step 5: Solve for x
    x = 15,513,550.72/4,129.83
  6. Step 6: Final answer
    x = 3,756.46

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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.