Home / 2,543.63-3,510.60-1,548.78

Finding the Fourth Proportional to 2,543.63, 3,510.60 and 1,548.78

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Solution

The fourth proportional to 2,543.63, 3,510.60 and 1,548.78 is: 2,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.63 : 3,510.60 = 1,548.78 : x
  2. Step 2: Convert to fraction form
    2,543.63/3,510.60 = 1,548.78/x
  3. Step 3: Cross multiply
    2,543.63x = 3,510.60 × 1,548.78
  4. Step 4: Simplify right side
    2,543.63x = 5,437,147.07
  5. Step 5: Solve for x
    x = 5,437,147.07/2,543.63
  6. Step 6: Final answer
    x = 2,137.56

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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.