Home / 2,752.89-3,798.40-1,634.20

Finding the Fourth Proportional to 2,752.89, 3,798.40 and 1,634.20

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Solution

The fourth proportional to 2,752.89, 3,798.40 and 1,634.20 is: 2,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.89 : 3,798.40 = 1,634.20 : x
  2. Step 2: Convert to fraction form
    2,752.89/3,798.40 = 1,634.20/x
  3. Step 3: Cross multiply
    2,752.89x = 3,798.40 × 1,634.20
  4. Step 4: Simplify right side
    2,752.89x = 6,207,345.28
  5. Step 5: Solve for x
    x = 6,207,345.28/2,752.89
  6. Step 6: Final answer
    x = 2,254.85

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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.