Home / 2,448.68-3,655.85-2,119.19

Finding the Fourth Proportional to 2,448.68, 3,655.85 and 2,119.19

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Solution

The fourth proportional to 2,448.68, 3,655.85 and 2,119.19 is: 3,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.68 : 3,655.85 = 2,119.19 : x
  2. Step 2: Convert to fraction form
    2,448.68/3,655.85 = 2,119.19/x
  3. Step 3: Cross multiply
    2,448.68x = 3,655.85 × 2,119.19
  4. Step 4: Simplify right side
    2,448.68x = 7,747,411.89
  5. Step 5: Solve for x
    x = 7,747,411.89/2,448.68
  6. Step 6: Final answer
    x = 3,163.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.