Home / 2,678.23-4,011.16-1,933.12

Finding the Fourth Proportional to 2,678.23, 4,011.16 and 1,933.12

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Solution

The fourth proportional to 2,678.23, 4,011.16 and 1,933.12 is: 2,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.23 : 4,011.16 = 1,933.12 : x
  2. Step 2: Convert to fraction form
    2,678.23/4,011.16 = 1,933.12/x
  3. Step 3: Cross multiply
    2,678.23x = 4,011.16 × 1,933.12
  4. Step 4: Simplify right side
    2,678.23x = 7,754,053.62
  5. Step 5: Solve for x
    x = 7,754,053.62/2,678.23
  6. Step 6: Final answer
    x = 2,895.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.