Home / 2,752.08-3,798.18-1,912.56

Finding the Fourth Proportional to 2,752.08, 3,798.18 and 1,912.56

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Solution

The fourth proportional to 2,752.08, 3,798.18 and 1,912.56 is: 2,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.08 : 3,798.18 = 1,912.56 : x
  2. Step 2: Convert to fraction form
    2,752.08/3,798.18 = 1,912.56/x
  3. Step 3: Cross multiply
    2,752.08x = 3,798.18 × 1,912.56
  4. Step 4: Simplify right side
    2,752.08x = 7,264,247.14
  5. Step 5: Solve for x
    x = 7,264,247.14/2,752.08
  6. Step 6: Final answer
    x = 2,639.55

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1.5x scale

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.