Home / 2,752.11-3,797.51-1,557.09

Finding the Fourth Proportional to 2,752.11, 3,797.51 and 1,557.09

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Solution

The fourth proportional to 2,752.11, 3,797.51 and 1,557.09 is: 2,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.11 : 3,797.51 = 1,557.09 : x
  2. Step 2: Convert to fraction form
    2,752.11/3,797.51 = 1,557.09/x
  3. Step 3: Cross multiply
    2,752.11x = 3,797.51 × 1,557.09
  4. Step 4: Simplify right side
    2,752.11x = 5,913,057.06
  5. Step 5: Solve for x
    x = 5,913,057.06/2,752.11
  6. Step 6: Final answer
    x = 2,148.55

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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.