Home / 2,543.45-3,510.41-1,481.75

Finding the Fourth Proportional to 2,543.45, 3,510.41 and 1,481.75

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Solution

The fourth proportional to 2,543.45, 3,510.41 and 1,481.75 is: 2,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.45 : 3,510.41 = 1,481.75 : x
  2. Step 2: Convert to fraction form
    2,543.45/3,510.41 = 1,481.75/x
  3. Step 3: Cross multiply
    2,543.45x = 3,510.41 × 1,481.75
  4. Step 4: Simplify right side
    2,543.45x = 5,201,525.06
  5. Step 5: Solve for x
    x = 5,201,525.06/2,543.45
  6. Step 6: Final answer
    x = 2,045.07

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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.