Home / 2,796.90-4,195.35-1,875.30

Finding the Fourth Proportional to 2,796.90, 4,195.35 and 1,875.30

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Solution

The fourth proportional to 2,796.90, 4,195.35 and 1,875.30 is: 2,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.90 : 4,195.35 = 1,875.30 : x
  2. Step 2: Convert to fraction form
    2,796.90/4,195.35 = 1,875.30/x
  3. Step 3: Cross multiply
    2,796.90x = 4,195.35 × 1,875.30
  4. Step 4: Simplify right side
    2,796.90x = 7,867,539.86
  5. Step 5: Solve for x
    x = 7,867,539.86/2,796.90
  6. Step 6: Final answer
    x = 2,812.95

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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.