Home / 2,140.11-2,952.54-1,343.10

Finding the Fourth Proportional to 2,140.11, 2,952.54 and 1,343.10

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Solution

The fourth proportional to 2,140.11, 2,952.54 and 1,343.10 is: 1,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.11 : 2,952.54 = 1,343.10 : x
  2. Step 2: Convert to fraction form
    2,140.11/2,952.54 = 1,343.10/x
  3. Step 3: Cross multiply
    2,140.11x = 2,952.54 × 1,343.10
  4. Step 4: Simplify right side
    2,140.11x = 3,965,556.47
  5. Step 5: Solve for x
    x = 3,965,556.47/2,140.11
  6. Step 6: Final answer
    x = 1,852.97

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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.