Home / 2,772.36-3,851.55-2,746.98

Finding the Fourth Proportional to 2,772.36, 3,851.55 and 2,746.98

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Solution

The fourth proportional to 2,772.36, 3,851.55 and 2,746.98 is: 3,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.36 : 3,851.55 = 2,746.98 : x
  2. Step 2: Convert to fraction form
    2,772.36/3,851.55 = 2,746.98/x
  3. Step 3: Cross multiply
    2,772.36x = 3,851.55 × 2,746.98
  4. Step 4: Simplify right side
    2,772.36x = 10,580,130.82
  5. Step 5: Solve for x
    x = 10,580,130.82/2,772.36
  6. Step 6: Final answer
    x = 3,816.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.