Home / 2,772.16-4,160.35-1,018.82

Finding the Fourth Proportional to 2,772.16, 4,160.35 and 1,018.82

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Solution

The fourth proportional to 2,772.16, 4,160.35 and 1,018.82 is: 1,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.16 : 4,160.35 = 1,018.82 : x
  2. Step 2: Convert to fraction form
    2,772.16/4,160.35 = 1,018.82/x
  3. Step 3: Cross multiply
    2,772.16x = 4,160.35 × 1,018.82
  4. Step 4: Simplify right side
    2,772.16x = 4,238,645.24
  5. Step 5: Solve for x
    x = 4,238,645.24/2,772.16
  6. Step 6: Final answer
    x = 1,529.01

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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.