Home / 3,089.60-4,638.52-1,792

Finding the Fourth Proportional to 3,089.60, 4,638.52 and 1,792

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Solution

The fourth proportional to 3,089.60, 4,638.52 and 1,792 is: 2,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.60 : 4,638.52 = 1,792 : x
  2. Step 2: Convert to fraction form
    3,089.60/4,638.52 = 1,792/x
  3. Step 3: Cross multiply
    3,089.60x = 4,638.52 × 1,792
  4. Step 4: Simplify right side
    3,089.60x = 8,312,227.84
  5. Step 5: Solve for x
    x = 8,312,227.84/3,089.60
  6. Step 6: Final answer
    x = 2,690.39

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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.