Home / 2,751.02-3,795.45-1,911.50

Finding the Fourth Proportional to 2,751.02, 3,795.45 and 1,911.50

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Solution

The fourth proportional to 2,751.02, 3,795.45 and 1,911.50 is: 2,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.02 : 3,795.45 = 1,911.50 : x
  2. Step 2: Convert to fraction form
    2,751.02/3,795.45 = 1,911.50/x
  3. Step 3: Cross multiply
    2,751.02x = 3,795.45 × 1,911.50
  4. Step 4: Simplify right side
    2,751.02x = 7,255,002.68
  5. Step 5: Solve for x
    x = 7,255,002.68/2,751.02
  6. Step 6: Final answer
    x = 2,637.20

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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.