Home / 2,852.82-4,280.14-1,210.75

Finding the Fourth Proportional to 2,852.82, 4,280.14 and 1,210.75

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Solution

The fourth proportional to 2,852.82, 4,280.14 and 1,210.75 is: 1,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.82 : 4,280.14 = 1,210.75 : x
  2. Step 2: Convert to fraction form
    2,852.82/4,280.14 = 1,210.75/x
  3. Step 3: Cross multiply
    2,852.82x = 4,280.14 × 1,210.75
  4. Step 4: Simplify right side
    2,852.82x = 5,182,170.32
  5. Step 5: Solve for x
    x = 5,182,170.32/2,852.82
  6. Step 6: Final answer
    x = 1,816.51

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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.