Home / 2,567.68-3,543.44-1,448.80

Finding the Fourth Proportional to 2,567.68, 3,543.44 and 1,448.80

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Solution

The fourth proportional to 2,567.68, 3,543.44 and 1,448.80 is: 1,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.68 : 3,543.44 = 1,448.80 : x
  2. Step 2: Convert to fraction form
    2,567.68/3,543.44 = 1,448.80/x
  3. Step 3: Cross multiply
    2,567.68x = 3,543.44 × 1,448.80
  4. Step 4: Simplify right side
    2,567.68x = 5,133,735.87
  5. Step 5: Solve for x
    x = 5,133,735.87/2,567.68
  6. Step 6: Final answer
    x = 1,999.37

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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.