Home / 3,023.74-4,543.80-1,638.10

Finding the Fourth Proportional to 3,023.74, 4,543.80 and 1,638.10

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Solution

The fourth proportional to 3,023.74, 4,543.80 and 1,638.10 is: 2,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.74 : 4,543.80 = 1,638.10 : x
  2. Step 2: Convert to fraction form
    3,023.74/4,543.80 = 1,638.10/x
  3. Step 3: Cross multiply
    3,023.74x = 4,543.80 × 1,638.10
  4. Step 4: Simplify right side
    3,023.74x = 7,443,198.78
  5. Step 5: Solve for x
    x = 7,443,198.78/3,023.74
  6. Step 6: Final answer
    x = 2,461.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.