Home / 2,622.88-3,931.62-1,798.48

Finding the Fourth Proportional to 2,622.88, 3,931.62 and 1,798.48

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Solution

The fourth proportional to 2,622.88, 3,931.62 and 1,798.48 is: 2,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.88 : 3,931.62 = 1,798.48 : x
  2. Step 2: Convert to fraction form
    2,622.88/3,931.62 = 1,798.48/x
  3. Step 3: Cross multiply
    2,622.88x = 3,931.62 × 1,798.48
  4. Step 4: Simplify right side
    2,622.88x = 7,070,939.94
  5. Step 5: Solve for x
    x = 7,070,939.94/2,622.88
  6. Step 6: Final answer
    x = 2,695.87

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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.