Home / 2,400.68-3,316.10-1,936.68

Finding the Fourth Proportional to 2,400.68, 3,316.10 and 1,936.68

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Solution

The fourth proportional to 2,400.68, 3,316.10 and 1,936.68 is: 2,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.68 : 3,316.10 = 1,936.68 : x
  2. Step 2: Convert to fraction form
    2,400.68/3,316.10 = 1,936.68/x
  3. Step 3: Cross multiply
    2,400.68x = 3,316.10 × 1,936.68
  4. Step 4: Simplify right side
    2,400.68x = 6,422,224.55
  5. Step 5: Solve for x
    x = 6,422,224.55/2,400.68
  6. Step 6: Final answer
    x = 2,675.17

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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.