Home / 3,400.13-4,693.35-2,143.31

Finding the Fourth Proportional to 3,400.13, 4,693.35 and 2,143.31

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Solution

The fourth proportional to 3,400.13, 4,693.35 and 2,143.31 is: 2,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.13 : 4,693.35 = 2,143.31 : x
  2. Step 2: Convert to fraction form
    3,400.13/4,693.35 = 2,143.31/x
  3. Step 3: Cross multiply
    3,400.13x = 4,693.35 × 2,143.31
  4. Step 4: Simplify right side
    3,400.13x = 10,059,303.99
  5. Step 5: Solve for x
    x = 10,059,303.99/3,400.13
  6. Step 6: Final answer
    x = 2,958.51

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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.