Home / 2,792.69-4,189.05-1,637.63

Finding the Fourth Proportional to 2,792.69, 4,189.05 and 1,637.63

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Solution

The fourth proportional to 2,792.69, 4,189.05 and 1,637.63 is: 2,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.69 : 4,189.05 = 1,637.63 : x
  2. Step 2: Convert to fraction form
    2,792.69/4,189.05 = 1,637.63/x
  3. Step 3: Cross multiply
    2,792.69x = 4,189.05 × 1,637.63
  4. Step 4: Simplify right side
    2,792.69x = 6,860,113.95
  5. Step 5: Solve for x
    x = 6,860,113.95/2,792.69
  6. Step 6: Final answer
    x = 2,456.45

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1.5x scale

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.